Answer: Hemophilia is a sex-linked genetic disorder that inhibits the blood’s ability to clot properly.
Explanation:
Life on Earth likely evolved from a common ancestor that existed approximately 3.5 billion years ago. Which of these is evidence that all life on Earth shares common features? Select ALL that apply.
Responses
A All life on Earth has DNA as the molecule of heredity.All life on Earth has DNA as the molecule of heredity.
B All life on Earth is made up of cells with a rigid cell wall.All life on Earth is made up of cells with a rigid cell wall.
C All life on Earth performs transcription and translation in a similar fashion.All life on Earth performs transcription and translation in a similar fashion.
D All life on Earth contains mitochondria for cellular energy.All life on Earth contains mitochondria for cellular energy.
E All life on Earth has cells surrounded by membranes.
the evidence that all life on Earth shares common features is that All life on Earth performs transcription and translation in a similar fashion. and All life on Earth has cells surrounded by membranes.
What is transcription and translation?
The process of transcribing a piece of DNA into RNA is known as transcription. Messenger RNA is created when segments of DNA are translated into RNA molecules that can encode proteins. Translation is the process by which ribosomes in the cytoplasm or endoplasmic reticulum create proteins following the transcription of DNA to RNA in the cell's nucleus. The entire process is known as gene expression.
What is cell membrane?
The cell membrane, also known as the plasma membrane, is found in all cells and serves to separate the cell's interior from the outside environment. The cell membrane is made up of a semipermeable lipid bilayer. The cell membrane controls the transport of materials into and out of the cell.
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(Will mark brainliest)Why are there different types of cells?
A. There are not different types of cells
B. During mitosis, cells become specialized
C different types of cells have different chromosomes in them
D. Gene expression is different between different specialized cells
Answer:
C. different types of cells have different chromosomes in them
Explanation:
the chromosome unique structure allows our genetic data to be disecretly kept inside our nuclei. this is important because we have an abundance of genetic data. If the DNA molecules in a single cell were unwound, they would stretch out to six feet long. the chromosomes unique structure has a few key parts.
There are different types of cells because gene expression is different between different specialized cells. Hence, option D is correct.
What is a cell?The cell is a structural and functional unit of life. Different cells perform different functions. There are two types of cells and that is prokaryotic and eukaryotic. Prokaryotic cells do not have defined nuclei and membrane-bound organelles, while eukaryotic cells have defined nuclei and membrane-bound organelles.
The cell contains various organelles for its functioning, such as mitochondria, nucleus, ribosomes, Golgi body, lysosomes, etc. Genetic material is present inside the nucleus.
Gene expression is different between different cells for performing different functions. Therefore, option D is correct.
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When a happened new substances are formed
Answer:
Chemical change
Explanation:
In a chemical change, the atoms in the reactants rearrange themselves and bond together differently to form one or more new products with different characteristics than the reactants. When a new substance is formed, the change is called a chemical change.
cytokinesis in animal cells is accomplished by constriction of the cell along the plane of cell division (formation of a cleavage furrow). in plant cells, which have cell walls, a completely different mechanism of cytokinesis has evolved. which of the following statements are true of cytokinesis in plant cells? select the two that apply. view available hint(s)for part b cytokinesis in animal cells is accomplished by constriction of the cell along the plane of cell division (formation of a cleavage furrow). in plant cells, which have cell walls, a completely different mechanism of cytokinesis has evolved.which of the following statements are true of cytokinesis in plant cells? select the two that apply. the cell plate consists of the plasma membrane and cell wall that will eventually separate the two daughter cells. after chromosome separation is complete, a network of microfilaments forms near the plane of cell division that will separate the two new cells. the plasma membrane of the parent cell grows inward, eventually joining with the cell plate. vesicles from the golgi apparatus move along microtubules, coalesce at the plane of cell division, and form a cell plate. part c complete previous part(s)
There are two statement that appropriate to this, are:
The cell plate consists of the plasma membrane and cell wall that will eventually separate the two daughter cells.Vesicles from the Golgi apparatus move along microtubules, coalesce at the plane of cell division, and form a cell plate.What happens after cytokinesis in animal cells?Animal and plant cell cytokinesis. An indentation known as the cleavage furrow is created in an animal cell's middle by a contractile ring of cytoskeletal fibers that contracts inward. The mother cell is eventually pinched in half by the contractile ring, resulting in two daughter cells.Abscission is the last stage of cytokinesis in animal cells. The actin-myosin contractile ring that forms the cytokinetic furrow is fully contracted during abscission, and the plasma membranes split to ultimately separate the two cells.Learn more about cytokinesis in animal here: brainly.com/question/17515
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FILL IN THE BLANK. Imagine a population of birds in which first-year birds can either (1) find a mate and raise an average of three offspring or (2) stay in their parents' territory and help the parents raise two more offspring than the parents would have been able to raise without any help. Based on the theory of kin selection, we would expect that _____.
Based on the theory of kin selection, we would expect that the behavior of helping at the nest would not evolve in this population.
Kin selection helps explain social interactions as well as altruistic collaboration. In the simplest case, when the interacting individuals are more closely related, they should be more likely to cooperate, displaying more selfish self-control and less aggression
If birds single-handedly raise three chicks in their first year, they share half of their genes with that third chick. If they help raise two more siblings, they share half their genes with the birds. They pass on more genetic material to the next generation by enlarging their own families, so altruistic behavior is unlikely to thrive in this demographic.
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DNA contains genetic information to build crocodiles that existed millions of
years ago relatively unchanged. What properties of DNA allow DNA to remain
relatively stable even after millions of years?
Using ancient DNA, you may determine a person's ancestry, their genetic resemblance to people alive at the time and to people alive today, as well as who they are descended from.
What kinds of environmental variables alter DNA?By altering the way chemicals attach to DNA or the structure of proteins that DNA wraps around, environmental factors such as diet, medications, or exposure to toxins can trigger epigenetic alterations.
What are the three things that can alter DNA?Mutations are caused by different environmental factors known as mutagens. Types of mutagens include radiation, chemicals, and infectious agents.
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Which two items cause disruptions in ecosystem stability and are a result of
human activities?
A. Nutrient cycling
B. Ocean currents
C. Acid rain
D. Bycatch
The number of different species of plants and mammals has decreased as a result of overhunting and natural resource overexploitation from activities such overfishing and mining.
How many different species exist?Around 8.7 million plant and animal species are thought to exist, according to scientists. However, to far, only about 1.2 million species, the of which are insects, have been recognized and described. This means that millions of additional animals' identities are still a mystery.
How can an animal's species be determined?Permanent and non-permanent identification are the two main categories. Ear notches, microchips, and tattoos are all forms of permanent identification. In terms of non-permanent identifying, tags, paint, and chalk are used. If done correctly, tattooing is one kind of identifying that is permanent.
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____________transmission is considered the most common and efficient mechanism of vector-borne disease transmission.
Biological transmission is considered the most common and efficient mechanism of vector-borne disease transmission.
What is Biological transmission?
The process of biological transmission involves the vector ingesting the disease, typically through a blood meal from an infected animal, developing it, and then regurgitating or injecting it into a vulnerable animal. Mosquitoes, ticks, and fleas are frequently found as biological disease vectors. Direct touch, droplets, a vector like a mosquito, a vehicle like food, or the airborne route are all possible modes of transmission. The mouth or a syringe are just two of the many access points the susceptible host possesses.
Hence, the answer is, Biological transmission is considered the most common and efficient mechanism of vector-borne disease transmission.
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Bacteria and eukaryotes have many molecular differences due to life history differencesDescribe the molecular processes of transcription and the control and regulation of transcription for bacteria and eukaryotes. Explain which differences may be due to life history and why
Answer:
The main differences between bacterial and eukaryotic transcriptions are: In bacteria, transcription and translation are continous process, but in eukaryotes these are two sepearte process. Initiation of transcription is
simple in bacteria
Explanation: hush jus readd.
demonstrate your understanding of pancreatic and bile secretion regulation by correctly classifying the terms to the appropriate category.
Cholecystokinin (CCK):
stimulates trypsin, lipase, and amylase from the pancreasstimulates acinar cells using a rise in cytoplasmic calcium as a second messengerstimulated in response to protein and fat content in chymesecretion continues until cyme passes through the duodenum and in the early region of the jejunumSecretin:
potentiates the effects of acetylcholine on the acinar cells through the action of cyclic AMP as a second messengersecreted in response to a decreased duodenal pH below 4.5stimulates the production and secretion of bicarbonate into the pancreatic juicestimulates the bile duct cells to secrete bicarbonate into the bileThe pancreas is one of the organs in the digestive system, which is responsible for secreting enzymes or intestinal juices so that they can break down food.
During the digestive process, the pancreas functions to make fluids called enzymes. These enzymes are then used to break down sugars, fats, and starches. Not just enzymes, the pancreas also helps the digestive system by making hormones. Hormones work to carry chemical messages through the blood
Bile is a secretion of hepatocytes (liver cells) consisting of air, cholesterol, lecithin (phosphatidylcholine), bile salts, bile pigments, and several ions. The color of bile is described as ranging from olive green, and yellow to brown.
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Which of the following is one important difference between a virus and a
bacterial cell?
O A virus always causes more severe disease than a bacterial cell.
O A virus is much larger in size than a bacterial cell.
O A virus can never reproduce on its own, but a bacterial cell can.
O A virus does not contain genetic material, but a bacterial cell does.
Viruses are the collection of non living things or molecules that require a host cell in order to reproduce and continue their life cycle.A virus can never reproduce on its own, but a bacterial cell can. The correct answer is option C.
What structure is present in bacteria but not virus ?Bacteria have the cell walls and they are having strong protective covering but the viruses do not have the cell wall.
Viruses are the group of non living molecules that are capable of dividing inside the body of the living organisms only but outside the body of the host they are non- living.
Bacteria are the organisms that are able to replicate and they have a property of cell division in which they are able to divide in order to form 2 cells from 1 and so on.
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Three cells (represented by a circle) are put into different solutions. The dots represent a solute and the white background the universal
solvent, water.
Which cell is submerged in a isotonic solution?
OA
OB
OC
O None of the above.
Cell B is submerged in an isotonic solution.
Which of the following effectively sums up an isotonic solution?A solution that has the same osmolarity, or solute concentration, as another solution is said to be isotonic. Water will flow equally into and out of either solution if a semipermeable membrane is used to divide the two. When two solutions have the same concentrations of solutes—that is, dissolved materials—they are said to be isotonic because their osmotic pressures are equal. Isotonic solutions, however, are solutions with the same concentration of solute as the cells in the human body and are frequently utilized in the medical sector.
Does an isotonic solution's boiling and freezing point coincide?Isotonic solutions must share the same density, solute, freezing point depression, or boiling point elevation. Is the boiling point of an isotonic solution the same? Isotonic liquids have the same concentration and osmotic pressure. The collinear qualities are an increase in boiling point and a decrease in freezing point. Since the molar concentration for isotonic solutions is the same, the rise in boiling point and fall in freezing point of those solutions must also be the same.
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Cell B is submerged in an isotonic solution.
Which of the following effectively sums up an isotonic solution?A solution that has the same osmolarity, or solute concentration, as another solution is said to be isotonic. Water will flow equally into and out of either solution if a semipermeable membrane is used to divide the two. When two solutions have the same concentrations of solutes—that is, dissolved materials—they are said to be isotonic because their osmotic pressures are equal. Isotonic solutions, however, are solutions with the same concentration of solute as the cells in the human body and are frequently utilized in the medical sector.
Does an isotonic solution's boiling and freezing point coincide?Isotonic solutions must share the same density, solute, freezing point depression, or boiling point elevation. Is the boiling point of an isotonic solution the same? Isotonic liquids have the same concentration and osmotic pressure. The collinear qualities are an increase in boiling point and a decrease in freezing point. Since the molar concentration for isotonic solutions is the same, the rise in boiling point and fall in freezing point of those solutions must also be the same.
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You have a culture of bacteria that you suspect is either Staphylococcus aureus or Streptococcus pyogenes. Is there any morphological difference between the two? View Available Hint(s) Yes. S. aureus is a coccus, whereas S. pyogenes is a bacillus (rod). Yes. S. aureus is gram-positive, and S. pyogenes is gram-negative. Yes. Microscopically, S. aureus typically forms gram-positive cocci in clusters, whereas S. pyogenes forms gram-positive cocci in chains. No. There is absolutely no difference in the appearance of the cells.
The morphological difference between Staphylococcus aureus and Streptococcus pyogenes is that microscopically, S. aureus typically forms gram-positive cocci in clusters, whereas S. pyogenes forms gram-positive cocci in chains.
What are the features of Staphylococcus genus?
Pathogens of humans and other mammals include bacteria in the genus Staphylococcus. According to their capacity to form blood plasma clots, they were traditionally split into two types (the coagulase reaction). The pathogenic species of S. aureus are staphylococci that are coagulase positive. There are already around 30 more species of coagulase-negative staphylococci (CNS). The CNS are typical skin commensals, yet some species can transmit diseases. It is now clear that the distinction between staphylococci that are coagulase positive and negative is arbitrary and, in some instances, deceptive. There is no concrete proof that coagulase, a marker for S aureus, contributes to virulence. Additionally, the coagulase of some S aureus natural isolates is flawed.
Streptococcus pyogenes and Staphylococcus aureus both induce localized illnesses such abscess formation and purulent discharge, but Staphylococcus aureus causes more of them. Contrarily, Streptococcus pyogenes causes a wide range of illnesses, including erysipelas and necrotizing fasciitis.Disease-causing microorganisms include S. aureus and S. pyogenes. Both varieties are facultative, Gram-positive, cocci-shaped, non-motile, non-spore-forming anaerobes.But microscopically the structure of the organism is well visibleHence, the morphological difference between Staphylococcus aureus and Streptococcus pyogenes is that microscopically, S. aureus typically forms gram-positive cocci in clusters, whereas S. pyogenes forms gram-positive cocci in chains.
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evolution of horses: how horses originated, how they evolved over time, and when they were or were not present on different continents
According to the researchers, the western Eurasian Steppe, present-day Ukraine, and West Kazakhstan are where horses were first domesticated 6000 years ago. The researchers also claim that during the domestication process, the animals frequently bred with wild horses.
What is evolution?
The term "evolution" can be used to describe any net direction change or cumulative change in an organism's or population's traits over many generations, or "descent with modification." It expressly takes into account both the beginning and the spread of alleles, variations, trait values, or character states.
The Eocene Epoch, which lasted from roughly 56 million to 33.9 million years ago, is when the history of the horse family, Equidae, began. Eohippus fossils, which have been discovered in both North America and Europe, indicate that the first ancestral horse originally existed during the early Eocene.
Hence is the history of evolution of horses
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can someone please help me
Answer:
Yo:) Not too sure abt the top but I believe the bottom is
1. Liver cell 2. tissue 3. heart muscle 4. digestive system 5. tiger
Which set of surface soil conditions on a hillside would result in the most infiltration of rainfall?
a. gentle slope, saturated soil, no vegetation
b. gentle slope, unsaturated soil, vegetation
c. steep slope, saturated soil, vegetation
d. steep slope, unsaturated soil, no vegetation
the human body has several organ systems. the organs studied during this lab were all part of the system
Our body has made up of 11 organ systems. There are the integumentary system, skeletal system, muscular system, lymphatic system, respiratory system, digestive system, nervous system, endocrine system, cardiovascular system, urinary system, and reproductive system.
Integumentary system - skin, hair, nailsSkeletal system - bones, joints.Muscular system - cardiac, smooth, and skeletal muscles.Lymphatic system - red bone marrow, thymus, lymphatic vessels, thoracic duct, spleen, lymph nodesRespiratory system - nasal cavity, pharynx, larynx, trachea, bronchus, lungDigestive system - oral cavity, esophagus, liver, stomach, small intestine, large intestine, rectum, anusNervous system - brain, spinal cord, nervesEndocrine system - pineal gland, pituitary gland, thyroid gland, thymus, adrenal gland, pancreas, ovary, testisCardiovascular system - heart, blood vesselsUrinary system - kidney, ureter, urinary bladder, urethraReproductive system - (female) mammary glands, ovary, uterus, vagina, fallopian tube. (male) the prostate gland, scrotum, and ductus deferens.Know more about human organ systems here: https://brainly.com/question/29783282
The question was incomplete. This is a general answer.
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The paramecium is a single-celled freshwater protist that responds to changes in its environment in order to maintain homeostasis. The contractile vacuole actively pumps water out in order to prevent the cell of the paramecium from lysing (bursting) when excess water flows into the cell. A student tests the action of the paramecium underwater levels of varying salinity.
Which hypothesis correctly describes the predicted activity of the contractile vacuole under changing water and solute concentrations?
×
A
As the solute concentration of the water increases, the rate of contractions by the vacuole will increase.
×
B
As the solute concentration of the water increases, the rate of contractions by the vacuole will decrease.
x
С
As the solute concentration of the water decreases, the rate of contractions by the vacuole will decrease.
x
D
As the solute concentration of the water decreases, the rate of contractions by the vacuole will remain the same.
Submit
Answer: I WISH I COULD HELP YOU
Explanation:
Answer:
I just answered this question and from your choices it would be B! Hope that helps :)
Explanation:
T/F. pcr can make millions of copies from a minuscule amount of dna. therefore, it can be used to exonerate people who have been in prison for many decades on the basis of one hair found at the crime scene.
True, PCR can make millions of copies from a minuscule amount of DNA. therefore, it can be used to exonerate people who have been in prison for many decades on the basis of one hair found at the crime scene.
What is PCR?
A given DNA segment may be quickly multiplied (amplified) into millions or billions of copies using the polymerase chain reaction (abbreviated PCR), allowing for more in-depth analysis. In PCR, a section of the genome to be amplified is chosen using short synthetic DNA fragments called primers. Multiple rounds of DNA synthesis are then used to amplify that segment.
Steps in PCR:
collection, preparation, amplification, and post PCR clean-upTherefore, the statement is true
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when blood glucose levels fall, when blood glucose levels fall, glucagon is released. insulin is released. calcitonin is secreted. peripheral cells take up more glucose. protein synthesis increases.
Glucagon works to raise blood glucose levels back to normal when they are below the usual range. When the pancreas detects low blood sugar levels, it releases glucagon into the circulation. The hormone glucagon encourages the liver to convert glycogen to glucose and release glucose into the circulation.
What causes the release of glucagon?
Your pancreas' alpha cells produce glucagon, which is then released in reaction to a reduction in blood sugar, prolonged fasting, physical activity, and protein-rich meals. Hormones are substances that communicate with your organs, skin, muscles, and other tissues through your blood to coordinate various bodily functions.
What is released when blood glucose levels drop?
The "fight-or-flight" hormone, epinephrine (adrenaline), is released when blood glucose levels are low. The hypoglycemic symptoms, such as racing heart, perspiration, tingling, and anxiety, can be brought on by epinephrine.
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charles darwin wrote that there are three important principles needed for natural selection to be possible. choose them all.
Most attributes are inherited, more offspring are generated than can survive, and offspring with more attractive traits will survive and have more offspring than those with less favourable traits. These three principles result in natural selection, which is an unavoidable process.
what is natural selection?
Natural selection is the process through which specific organisms or phenotypes with advantageous qualities are more likely to survive and reproduce.
Darwin claimed that three factors at work in nature would inevitably lead to natural selection. The majority of an organism's qualities are inherited, or given from parent to child, yet it is unknown how features are inherited. The second problem is that more children are born than can survive. All living things have a higher capability for reproduction than there are resources to support them. In each generation, there is competition for those resources.
Thomas Malthus, an economist, examined this theory in respect to human numbers in an essay that had an impact on both Darwin and Wallace. Third, Darwin and Wallace hypothesized that descendants with inherited traits that provide them the best chance of competing for scarce resources will survive and procreate more frequently than those individuals with variants that are less competitive.
Since attributes are inherited, the following generation will more accurately reflect these traits. Through a process Darwin called "descent with modification," this will cause population changes over many generations. Natural selection is the sole mechanism known for adaptive evolution; in the end, it causes population adaption to the local environment to increase.
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A teacher soaks eggs in vinegar overnight to remove the hard, outer shell. Each student is given two eggs and asked to place one in a cup filled with distilled water and the other in a cup with corn syrup.
What would you expect to happen to the egg in the distilled
1x water?
×
A
The egg will stay the same size as the amount of fluid leaving and entering the cell are at equilibrium.
1x
B
It will shrink as the yolk inside the cell shrinks.
1 x
C
The egg will regrow its hard, outer shell.
×
D
It will grow bigger as water enters the cell
What type of solution is the distilled water?
×
x
A
isotonic
x
B
hypertonic
1x
C
hypertonic
D
hypotonic
Answer: The egg will swell and continue to gain mass.
Explanation:
The atomic number of an element
According to the research, the correct answer is that the atomic number of an element is usually denoted by the letter Z and represents the stable compound particles of a positive elementary charge.
What is the atomic number ?It is a total number of the smallest particles that make up the atom with a positive electric charge that is denoted with the letter "Z" that make up the atomic nucleus of a certain chemical element.
In this sense, each chemical element has a different atomic number, although its chemical way of behaving is established by the electrons that orbit around its nucleus.
Therefore, we can conclude that according to the research, the atomic number presents the different amounts of protons in the atoms of different elements.
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IS FERMENTATION A VALID FORM OF ENERGY PRODUCTION FOR MULTICELLULAR
ORGANISMS LIKE HUMANS?
Answer:Fermentation is beneficial in that it can generate ATP quickly for working muscle cells when oxygen is scarce. Glycolysis Fermentation is glycolysis followed by a process that makes it possible to continue to produce ATP without oxygen. G lycolysis is the first series of reactions that occur during cellular respiration.
Explanation:
FILL IN THE BLANK. The water reuse system on the campus of Georgia Southern University _____ View Available Hint(s) collects runoff water from lawns and parking lots to water lawns and gardens on campus uses water from campus sinks and toilets to water lawns and gardens on campus conserves water by using treated city wastewater instead of city tap water for irrigation uses tap water to water lawns and gardens and then catches and reuses any water that runs off of the systems
The water reuse system on the campus of Georgia Southern University conserves water by using treated city wastewater instead of city tap water for irrigation.
What is Irrigation?
Irrigation is the artificial application of water to land in order to help crops grow. It is typically used to supplement natural rainfall in areas that experience either inadequate rainfall or extended periods of drought. Irrigation systems can be used to water crops, gardens, lawns, and other vegetation.
What is Water reuse system?
Water reuse systems, also known as water recycling systems, are designed to capture, treat and reuse wastewater for beneficial purposes such as irrigation, landscaping, toilet flushing, cooling, and industrial processes. These systems are designed to reduce the amount of water discharged to sewers or other water sources. The efficiency of the water reuse system depends on the type of wastewater, the use of the reclaimed water, and the treatment process used.
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Which of these needs to be done by a scientific committee before the drug is made available to the general public
The needs which have to be done before the drug is made available to the general public is to ensure it is effective and safe for use by individuals which is therefore denoted as option B.
What is a Drug?This is also known as medication and it consists of chemical substances which are used to treat different types of sickness or illness and an example is Paracetamol which is used to treat fever etc.
There are different types of researches and findings which are done by scientists when a drug is being formulated. This is done so as to maximize its effect and an example is testing its active ingredient so as to determine its efficacy.
Another activity which needs to be done is to test its safety as this helps to ensure that there are no serious side effects or complications arising from the use of the drugs thereby making it the correct choice.
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The options are:
Drying and ColoringSafety and efficacyStorage and packagingthe pattern of inheritance would lead a geneicist to suspect that an inherited disorder of the cell metabolism is due to a defective mitochondrial group
A defected mitochondrial group is the cause of an inherited abnormality of cell metabolism, which is always inherited from the mother.
What is a hereditary disorder?a disease due to genetic or chromosomal changes that are passed from parent to child. The same genetic syndrome, that can be passed down via one or both parents, may affect several individuals within the same immediate family, along with a mother, daughter, and sister.
What leads to an inherited disease?Inherited diseases are mostly brought about by gene mutations. They include illnesses including cystic fibrosis, Tay-Sachs disease, and sickle cell anemia. Chromosomal abnormalities are caused by missing, extra, or damaged chromosomes or chromosomal fragments.
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is receptor mediated endocytosis a form of passive or active transport?
Receptor-mediated endocytosis is a form of active transport. This is because it involves the movement of particles, such as large molecules, parts of cells, and even whole cells, into a cell.
What is Active transport?Active transport may be defined as a type of transport that significantly occurs against the concentration gradient. This transport is mediated by carrier proteins. Metabolic energy is utilized in order to move ions or molecules against a concentration gradient.
Receptor-mediated endocytosis involves the utilization of receptor proteins on the cell surface are used to capture a specific target molecule. The receptors, which are transmembrane proteins, cluster in regions of the plasma membrane known as coated pits. They require metabolic energy in the entire process.
Therefore, receptor-mediated endocytosis is a form of active transport.
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All of the following are part of Darwin’s theory of natural selection EXCEPT
a. Populations tend to overpopulate.
b. Only the best-fit individuals survive and get to pass on their genes.
c. Overpopulation leads to a struggle for existence.
d. Individual organisms change in response to their environment and the needs of their surroundings.
Answer:
a. Populations tend to overpopulate
Explanation:
A plant grown from a [round, yellow] seed is crossed with a plant grown from a [wrinkled, yellow] seed. This cross produces four progeny types in the F1:
[round, yellow], [wrinkled, yellow], [round, green], and [wrinkled, green].
Use this information to deduce the genotypes of the parent plants.
Here is what the question looks like if that helps: All it is asking for is the 2 parent genotypes but I'm not sure of the answer... if someone can explain and help me out I would appreciate it!
The question looks like if that helps
Yellow round = RrYy
Yellow wrinkled= rrYy
Phenotypes and Genotypes:
In a diploid organism, two alleles for a particular gene are expressed and interact to produce physical traits. A species' observable characteristics are referred to as its phenotype. The genotype is the genetic composition of an organism, which includes both the alleles that are physically expressed and those that are not. Mendel's hybridization studies show how phenotype and genotype differ from one another. For instance, the diploid genotypes of the plants in the P, F1, and F2 generations are related to the phenotypes that Mendel observed in his crosses between pea plants with different features. We shall utilise seed colour as an example, which was Mendel's second feature of study. Two alleles of a single gene control the colour of seeds.
The green-seed gene is recessive, whereas the yellow-seed allele is dominant. All of the F1 hybrid progeny had yellow seeds when true-breeding plants were crossed, when one parent had yellow seeds and the other had green seeds. In other words, the hybrid progeny shared the same phenotypes as the parent plant that was a true breeder and had yellow seeds. However, because it appeared in some of the F2 offspring, we know that the allele given by the parent who had green seeds was not simply lost. Due to the parent plant's yellow seeds, the F1 plants must have had a distinct genotype.
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