Answer: Some of the water drawn up through the roots exits the plant through pores – or stomata—in its leaves, hence the sweating.As this ”sweat” evaporates, heat is removed from the air, providing a cooling effect. However, if there isn't enough water available or if relative humidity gets too high, the stomata close.
The following variances were calculated for two traits in a herd of hogs.
Trait VP VG VA
Back fat 28.9 13.7 7.98
Body length 49.1 27.2 12.4
calculate broad-sense (h2 ) heritability for back fat in this herd.
0.474
0.554
0.276
0.253 Diet-induced obesity was linked to the liver's expression of hundreds of genes.
Using computations of numerous biweight midcorrelation (bicor) and their related normalized gene expression levels, we examined the correlations between post-diet adiposity and The expression levels of the genes that were connected to body fat percentage and pertinent attributes were identified using student correlation p-values. Many genes' expression analysis levels that had significant negative or positive relationships with body fat percentage also had reciprocal relationships with lean percentage and heat generation. High-quality RNA from the livers of 123 CC mice collected following an 8-week challenge with either a high-protein (HP) or high-fat high-sugar (HS) diet was used in a microarray gene expression analysis of 11,542 genes.
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Among Native Americans, two types of earwax (cerumen) are seen: dry and sticky. A geneticist studied the inheritance of this trait by observing the types of offspring produced by different kinds of matings. He observed the following numbers: g
The recessive phenotype is dry, whereas the dominant phenotype is sticky.
A heterozygous sticky (Ss) x dry testcross produced the ratio (ss). However, the sticky x dry matings here include the homozygous sticky (SS) x dry matings as well as the Ss x ss (ss). Ratio is produced by mating two Ss x SS heterozygotes, despite the fact that both Ss and SS are sticky people. As a result, Ss x Ss, SS x SS, and SS x Ss matings are all represented in the sticky x sticky matings.
The ear canal is surrounded by hair follicles and glands that secrete cerumen, a waxy oil. Sometimes the glands produce more wax than the ear can effectively eliminate. This extra wax may congeal in the ear canal and impede the ear.
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explain the relationship between the dominant allele of a gene and the recessive allele of the same gene
Answer:
see below
Explanation:
The relationship between a dominant allele and a recessive allele of the same gene is that the dominant allele will always be expressed if it is present. This means that if an organism has one or two copies of the dominant allele, it will always be expressed in the organism's phenotype. On the other hand, the recessive allele will only be expressed if the organism has two copies of the recessive allele. In this case, the dominant allele will be masked and the recessive allele will be expressed.
What was the cure for methemoglobinemia?
Answer:
The cure for methemoglobinemia is oxygen therapy. Methemoglobinemia is a condition in which there is an abnormal amount of methemoglobin in the blood. Methemoglobin is a form of hemoglobin that is unable to carry oxygen. Oxygen therapy involves the administration of 100% oxygen, which helps to convert the abnormal methemoglobin back to its normal form, allowing the hemoglobin to bind with oxygen and transport it to the body's tissues.
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hypothermia is an excessive decline in a body temperature. T/F
Answer:
Hypothermia is a medical emergency. When a person body temperature is low, the brain and body cannot function like how it should…
The body temperature can drop to:
95 degrees Fahrenheit
Or
35 degrees Celsius
( What the body temperature should be ) :
98.6 degrees Fahrenheit
Or
37 degrees Celsius.
what situation shows kinetic energy being transformed into potential energy ???????????
A situation of kinetic energy being transformed into potential energy is when an object is lifted upward.
As the object is lifted, its potential energy increases while its kinetic energy decreases. This is because the object has the ability to do work due to its position, or potential energy, and as it is lifted higher, the amount of potential energy it possesses increases. Conversely, as the object is lifted, its speed, or kinetic energy, decreases.
This is because work is being done on the object to lift it, which reduces its kinetic energy. Overall, as the object is lifted, its kinetic energy is being converted into potential energy.
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Which of the following is a renewable resource? a. coal b. trees c. oil d. natural gas
The correct answer is B. trees. Trees are a renewable resource, as they can be replanted and harvested over and over again. Coal, oil, and natural gas are all non-renewable resources, as they are finite and will eventually run out.
Trees are a sustainable resource that can be replenished over time, making them a renewable source of energy. They can be grown, harvested, replanted, and used for a variety of applications. Trees are an important source of fuel, both for burning and for producing charcoal, and their wood is used to make furniture, paper, and other products.
In addition, trees provide a habitat for animals, help to reduce soil erosion, and absorb carbon dioxide from the atmosphere. By planting and maintaining forests, we can ensure that this important renewable resource is available for generations to come.
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the egg is the infective stage of this parasite for humans. what is the identification of this organism?
The organism that the egg is the infective stage of the parasite for humans is Enterobius vermicularis
What is the infective stage of the parasite for humans?The life stage of the parasite starts with the fertilized egg phase. The larva is then detached from the egg and starts growing to adulthood. To survive, a direct or indirect life cycle is important for the parasite. A direct life cycle refers to one in which the life cycle is completed by a single host. When a parasite needs another host to grow, this is referred to as an "indirect life cycle." An infective stage is a point in the parasite's life cycle when it is capable of infecting its host. A parasite's infective stage is one in which the parasite is capable of infecting its host and continuing to grow within the host.In humans, Enterobius vermicularis is a small, thin, white roundworm that causes pinworm infection. It is a parasitic worm that is also known as a seatworm or threadworm. The pinworm infection most commonly affects children or household members, even though it can affect all people. It is a common intestinal parasite in humans and is medically known as pinworm infection.
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how does gene flow affect genotype and phenotype of a population?
Answer:
increases variability within the population and makes possible new combinations of traits
Explanation:
during crossing over, chromatids in homologous pairs of chromosomes often twist around each other, break, exchange, segments, and rejoin. this process usually contributes to
Genetic diversity and variation are influenced by cross-pollination and genetic recombination.
What are Examples of geneticsStudies of genes are done in genetics. Information is transferred from one generation to the subsequent through our genes. In contrast to their sibling, who has dark hair like their father, one child had blonde highlights like their mother due to genetics.
What is a genetic explanation?The scientific study in genetics examines genes and heredity, or the process by which specific characteristics or traits are transferred from parents to children as a result of variations in DNA sequence. A gene is an area of DNA that provides instructions for creating one or even more molecules that support bodily function.
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describe the effects of temperature, light intensity, and carbon dioxide concentration on rates of photosynthesis.
Up until the ideal temperature is reached, the respiration rises exponentially as temperature rises.
What happens during photosynthesis?Light energy is transformed into sunlight into chemical energy of sugars through a process called photosynthesis. Both carbon dioxide and water are converted into glucose molecules in a process powered by light energy, with oxygen being produced as a byproduct.
Where is photosynthesis carried out?In the chloroplasts that are located in the mesophyll of the leaves, photosynthesis occurs. The chlorophyll in the thylakoids, which are found inside the chloroplast, absorbs the various colors of light to produce energy.
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eukaryotic why is cell division important for both single-celled and multicellular organisms?
Cell division is important for both single-celled and multicellular organisms because it is the fundamental reproduction cycle of both cells.
What is single-celled and multicellular organisms?Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, A unicellular organism, also known as a single-celled organism, while multicellular organisms use many different cells to function. The term “multi” is technically used to refer to something that is more than one, hence “multicellular” means more than one.
important of single celled and multicellular organism:
In unicellular organisms, cell division is important for reproduction only. They produce their daughter cells by the mitosis type of cell division. In multicellular organisms, cell division is important for producing new body cells and reproduction.Multicellular and unicellular organisms are similar in a way that they show almost all the life functions and processes such as reproduction and metabolism. They possess RNA and DNA, which can display a range of lifestyles that are essential to most of the ecosystem that we currently exist in.To learn more about single and multicellular organisms refers to;
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Because of base pairing in DNA, the percentage of
a. adenine molecules in DNA is about equal to the percentage of guanine molecules.
b.pyrimidines in DNA is about equal to the percentage of purines.
c. purines in DNA is much greater than the percentage of pyrimidines.
d. cytosine molecules in DNA is much greater than the percentage of guanine molecules.
Base pairing in DNA refers to the specific bonding between the nitrogenous bases in the DNA double helix. The four nitrogenous bases in DNA are adenine (A), guanine (G), cytosine (C), and thymine (T). These bases form the rungs of the DNA ladder and are held together by hydrogen bonds.
A always pairs with T, and C always pairs with G. This specific base pairing is what allows for the accurate replication and transmission of genetic information from one generation to the next.
Because of base pairing, the percentage of adenine molecules in DNA is about equal to the percentage of guanine molecules. This is because A always pairs with T, and G always pairs with C, so the proportion of A and T must be equal, as must the proportion of G and C.
Similarly, the percentage of pyrimidines (C and T) in DNA is about equal to the percentage of purines (A and G) in DNA. This balance of purines and pyrimidines helps to maintain the stability of the DNA double helix.
Therefore, the correct answer is a: Adenine molecules in DNA are about equal to the percentage of guanine molecules.
experiments involving recombinant or synthetic nucleic acid molecules that do not pose a significant risk to health or the environment fall under which category of experiments in the nih guidelines?
Experiments involving recombinant or synthetic nucleic acid molecules that do not pose a significant risk to health or the environment fall under the "exempt" category of experiments in the NIH guidelines.
These types of experiments are considered to be of minimal risk and do not require any special oversight or approval. Examples of exempt experiments include the use of recombinant or synthetic nucleic acid molecules for basic research, the use of plasmids or other vectors for gene transfer in cell culture systems, and the use of recombinant or synthetic nucleic acid molecules in diagnostic tests. The NIH guidelines define "exempt" as experiments that pose no more than minimal risk to human subjects, and have no potential for harm to the environment.
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Does Pleurotus ostreatus have cells that have a nucleus?
Answer:
Yes, Pleurotus ostreatus, like all living organisms, has cells that have a nucleus. The nucleus is a membrane-bound organelle found in eukaryotic cells that contains the cell's genetic material.
Explanation:
What are the two main components of species diversity?
species richness (the number of species in a local community) and species composition (the identity of the species present in a community) are the two main components of species diversity.
The number of different species represented in a given community is defined as species diversity. The effective number of species is the number of species that must be equally abundant in order to achieve the same mean proportional species abundance as observed in the dataset of interest (where all species may not be equally abundant). Species richness, taxonomic or phylogenetic diversity, and/or species evenness are all definitions of species diversity. Species richness is simply a count of the number of species. The genetic relationship between various groups of species is referred to as taxonomic or phylogenetic diversity. The evenness of species quantifies how evenly the abundances of the species are distributed.
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when the last phosphate on atp breaks off, what is released?
Answer:
When the last phosphate on ATP breaks off, energy is released and a molecule of adenosine diphosphate (ADP) is formed.
Explanation:
An adenosine molecule and three phosphate groups make up ATP. The final phosphate group on the molecule is held by a high-energy bond that is hydrolyzed, or broken down, by the presence of water. As a result, energy is released, and the molecule ADP (adenosine diphosphate), which is made up of an adenosine molecule and two phosphate groups, is created. This exothermic process is known as ATP hydrolysis. Endothermic processes, including the synthesis of glucose-6-phosphate from glucose, can be fuelled by this energy.
Organisms can reproduce in one of two ways—sexually or asexually. Amoeba are examples of organisms that reproduce asexually.
When amoeba reproduce, they replicate their DNA and then divide in half. Thus,
A.
half of the offspring's genes come from the parent.
B.
very few of the offspring's genes come from one parent.
C.
none of the offspring's genes are identical to those of the parent.
D.
all of the offspring's genes come from one parent.
In a case whereby Organisms can reproduce in one of two ways—sexually or asexually. Amoeba are examples of organisms that reproduce asexually. When amoeba reproduce, they replicate their DNA and then divide in half. Thus, D.all of the offspring's genes come from one parent.
What was sexual reproduction ?Asexual reproduction refers to a type of reproduction where a child is born to a single parent. The newly created people are clones of their parents since they have the same genetic makeup and physical characteristics. Both multicellular and unicellular species can reproduce asexually.
Lower eukaryotes like Acanthamoeba have asexual reproduction, which is defined as the mother cell dividing into two daughter cells by a process called binary fission. To put it another way, amoebae do not require genetic material from other organisms to reproduce.
Therefore, option D is correct.
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7a. If you search for "cellular respiration equation" on the web, some of the most popular sites give the following chemical equation for cellular respiration of glucose. C6H12O6+6 026 CO₂ + 6H₂O + ATP
What is wrong with this chemical equation?
C6H12O6 + 6O2 ---------> 6CO₂ + 6H₂O + ATP
What is Cellular respiration ?A metabolic pathway called cellular respiration breaks down glucose and generates ATP. The phases of cellular respiration include glycolysis, pyruvate oxidation, the Krebs cycle (or citric acid cycle), and oxidative phosphorylation.
In order to get chemical energy for cellular processes, organisms require oxygen to break down food molecules during cellular respiration. In addition to algae and other protists, cellular respiration also occurs in the cells of animals, plants, and fungus.
Oxygen and glucose are changed by cellular respiration into water and carbon dioxide. ATP is produced from the process along with water and carbon dioxide as byproducts.
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how can natural selection be defined? group of answer choices random events resulting in the selection of individuals whose phenotypes are best suited for the environment. migrations resulting in the selection of individuals whose phenotypes are best suited for the environment. environmental conditions resulting in the selection of individuals whose phenotypes are best suited for the environment. man-made conditions resulting in the selection of individuals whose phenotypes are best suited for the environment.
Natural selection be defined as environmental conditions resulting in the selection of individuals whose phenotypes are best suited for the environment.
The process through which populations of living things adapt and change is known as natural selection. A population's members are naturally varied, which means that they are all distinctive in some ways. This variety indicates that some people have characteristics that are more environment-appropriate than others.
Darwin views natural selection as a protracted, complicated process involving numerous interrelated causes. Variation among the organisms in a population is necessary for natural selection. It must be heritable and transmitted in some way to the descendants of the organisms for the process to function.
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what part of the eye is pulled into shapes that focus incoming light onto the receptor cells in the back of the eye
Light is directed towards to retina of the eyes by the lens and the cornea working together. Light is absorbed by retinal cells, which convert it all into electrical impulses, and indeed the optic nerve subsequently carries
What are the two purposes of the optical nerve?Function. All visual information, including perceptions of contrast, color, and brightness, is transmitted by the optic nerve (visual acuity). Additionally, it carries the retinal impulses that are in charge of two significant neurological reflexes: the accommodation reflex and the light reflex.
Can injury to the optic nerve be cured?Optic neuritis frequently gets better on its own. Occasionally, steroid drugs are used to lessen optic nerve inflammation. Weight gain, mood swings, flushing of the face, gastrointestinal distress, and insomnia are all potential side effects of steroid therapy. Typically, steroid therapy is administered through vein
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15 3 points Identify the correct statement below about transposons. Both types of transposons utilize an integrase enzyme coded for on the transposon itself. Retrotransposons are likely to propogate more frequently than DNA transposons. Retrotransposons are more common in prokaryotes, while DNA transposons are more common in eukaryotes. DNA transposons produce full-length transcripts which facilitate movement to a different position in the genome.
DNA sequences known transposons element (TEs) are flexible & spread into genomes. DNA virions create full-length rnas by using a range of invasion tactics, it helps them to go to a nearby spot in the genome.
A genome versus DNA: what are they?An organism's whole DNA is contained in its genome. The entire manual, from cover to cover, would represent the genome if the DNA code were a collection of instructions that were meticulously organized into sentences (genes) and chapters (chromosomes). The arrangement of the genome, chromosomes, and genes is essentially the same in all humans.
What number of genomes do people have?46 Dna strands of 24 different kinds make up the diploid human genome. Only 3 billion base pairs (the diploid genome) must be sequenced in order to fully understand a typical human genome due to the nearly identical pairings that human chromosomes exist in.
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which axis indirectly shows the relative amount of dna per cell? by what relationship? the data are plotted in a type of graph called a histogram, which groups values for a numeric variable on the x-axis into intervals. a histogram allows you to see how an entire group of experimental subjects (cells, in this case) are distributed along a continuous variable (amount of fluorescence). in these histograms, the bars are so narrow that the data appear to follow a curve for which you can detect peaks and dips. each bar represents the number of cells observed to have a fluorescence level in that interval. this in turn indicates the relative amount of dna in those cells.which axis indirectly shows the relative amount of dna per cell? by what relationship? the x-axis; the dna is naturally fluorescent so there is a positive correlation between fluorescence and dna content. the y-axis; dna content was the dependent variable. the x-axis; the dna was stained, so there is a positive correlation between fluorescence and dna content. the y-axis; the dna was stained, so there is a positive correlation between fluorescence and dna content.
Which axis subtly depicts the proportion of DNA each cell? DNA was labelled, therefore there is a positive association between fluorescent and DNA content, depending on how the x-axis is arranged.
Humans & almost all other species carry their genetic data in DNA, also known as deoxyribonucleic. The DNA of an individual can be found in several of their cells. The information molecule is DNA. It provides information needed to create proteins, which are some other big molecules. These instructions are distributed throughout 46 lengthy structures called chromosomes that are located inside each of your cells. Numerous smaller strands of Dna, known as genes, make up these chromosomes. Adenine (A), nucleotides (C), purine (G), and pyrimidines are indeed the four different types of shorter chemical molecules together known as nucleotide bases that comprise the linear molecule DNA (T).
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the membranes of neurons at rest are very permeable to _____ but only slightly permeable to _____.
A. K+; Na+
B. K+; Cl-
C. Na+; Cl-
D. Na+; K+
The membranes of neurons at rest are very permeable to K+ but only slightly permeable to Na+. Because so many channels are open, the membrane is permeable to K+ when it is at rest.
Since the potassium ion-permeable cell membrane of neurons is extremely permeable, potassium leakage channels allow large amounts of potassium to escape from the neurons (holes in the cell wall). Because sodium atoms can partially pass through the neuron cell membrane and enter as sodium ions, sodium leakage channels allow this to happen. The neuron's plasma membrane is semipermeable, with K+ being the cation that can pass through it most easily and Cl and Na+ coming through more slowly. while Na+ permeability is around 5% of K+ permeability or even less in a normal cell (EK).
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which harvesting method allows cutting of mature trees without damaging the forest? group of answer choices seed tree harvest selective harvesting clear-cutting patchwork clear-cutting
Clear-cutting is a method of managing forests with the intention of removing mature trees while allowing young seedlings to have adequate light and space to flourish.
Which harvesting technique permits the removal of mature trees?A shelterwood cut involves the removal of mature trees over the course of two to three harvests spaced 10 to 15 years apart. Because a "shelter" is left to protect them, this strategy enables regeneration of species that can tolerate medium to low levels of shade.
Why are clearcuts made?Instead of harvesting timber, clearcutting's main goal is to repopulate the forest with healthier trees. Harvesting timber is a secondary goal. Unlike a commercial clearcut, which only removes trees that can be sold, a true clearcut involves the complete removal of all trees larger than 2 inches in diameter.
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Watch this short ted talk (its like 6-8 minutes long) and answer the following questions to it (link for it is in the image)
How did Braitman become interested in mental illness in animals?
Why is it not totally surprising that animals can suffer from emotional distress or mental illness?
The video discusses giving animals human medications like anti-anxiety or anti-depression drugs. Do you think animals should be treated with drugs used for mental illness? Why or why not?
Briefly describe at least two of the disorders that Braitman explains animals can suffer from.
Why do veterinarians often ask about an animal’s behaviors and life during an office visit?
Why does Braitman say that we owe our entire psychopharmaceutical arsenal to animals? Explain.
How could thinking about an animal’s mental health influence veterinary care?
Braitman became interested in mental illness in animals because she observed that her own pets were displaying symptoms similar to human mental illnesses.
It is not surprising that animals can suffer from emotional distress or mental illness because they are living beings with brains and nervous systems that are capable of experiencing emotions and responding to stressors in similar ways to humans.
The use of human medications for animals is a controversial topic. Some argue that it is necessary to provide animals with the same level of care and treatment as humans, while others argue that animals may have different physiological responses to these drugs and that more research is needed before administering them.
Two disorders that Braitman explains animals can suffer from are separation anxiety and compulsive disorders.
Veterinarians often ask about an animal’s behaviors and life during an office visit because it can provide insight into the animal’s emotional and psychological well-being and can aid in diagnosis and treatment.
Braitman says that we owe our entire psychopharmaceutical arsenal to animals because animals have been used in the testing and development of many of the drugs used to treat human mental illnesses.
Thinking about an animal’s mental health could influence veterinary care by leading to more comprehensive and holistic treatment plans that take into account not just the physical symptoms, but also the emotional and psychological well-being of the animal.
What is the medication about?Regarding the use of human medications for animals, it is important to consider the potential benefits and risks of administering these drugs to animals. On one hand, administering anti-anxiety or anti-depression drugs to animals could provide relief from symptoms and improve their quality of life.
On the other hand, there is a lack of research on the safety and efficacy of these drugs in animals, and administering them could have unintended consequences. Additionally, animals may have different physiological responses to these drugs than humans, which could lead to ineffective treatment or adverse reactions.
Therefore, Separation anxiety is a disorder in which an animal experiences severe distress and agitation when separated from its owner or primary caregiver. This can manifest as excessive vocalization, destructive behavior, and attempts to escape.
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which is an example of a structural homology? view available hint(s)for part a which is an example of a structural homology? the same group of embryonic cells forms the adult jaw of a perch and of a dog. all organisms share a common genetic code. vertebrate forelimbs generally have the same number and a similar arrangement of bones. all vertebrate embryos form pharyngeal pouches.
Because evolution uses and modifies what is already present, there are similarities between species that are known as homology.
What is homology?We would anticipate that organisms would resemble one another if different species had common ancestors. Homologies are characteristics that have been passed down from common ancestors, even though they look very different in close relatives.
What does genetic homology mean?Possession of a characteristic state acquired from the common ancestor of two or more species, with or without change. Sister chromatids are those in a complement of chromosomes that share the same genes.
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Some humans exhibit piebald spotting: patches of skin that lack pigmentation. The condition results from the inability of pigment-producing cells to migrate properly during development. Two adults with piebald spotting have one child who has this characteristic and a second child with normal skin pigmentation g
Answer:
Piebald spotting is caused by an inability of pigment-producing cells to migrate properly during development. This condition is usually inherited, and it results in patches of unpigmented skin. In some cases, two adults with piebald spotting may have a child who has this characteristic and a second child with normal skin pigmentation. This happens because the genetic trait responsible for piebald spotting is a recessive trait. In other words, the child must inherit two copies of the recessive gene in order to display the trait. If the child only receives one copy of the gene, they will not exhibit piebald spotting.
Prokaryotic cells are differentiated from eukaryotic cells because prokaryotic cells:
Select one:
a.
have no nuclei
b.
are much larger
c.
don’t have permeable membranes
d.
have lower rate of reproduction
Answer:
Eukaryotic cells are cells containing membrane-bound organelles and are the basis for both unicellular and multicellular organisms. In contrast, prokaryotic cells do not have any membrane-bound organelles and are always part of unicellular organisms.
In pea plants, the allele for having round peas (R) is dominant over the allele for having wrinkled peas (r). As seen in the Punnett square, a pea plant with RR genotype is crossed with a pea plant with Rr genotype. What should be written in the squares marked 1 and 2
In pea plants, the allele for having round peas (R) is dominant over the allele for having wrinkled peas (r). In a Punnett square, the genotype of one parent is written along the top, and the genotype of the other parent is written along the side.
When a pea plant with RR genotype is crossed with a pea plant with Rr genotype, the Punnett square would look like this:
R - R
R - r
Square 1 would have the genotype of Rr and square 2 would also have the genotype of Rr. The R allele codes for round peas, and the r allele codes for wrinkled peas.
When a pea plant with the genotype RR is crossed with a pea plant with the genotype Rr, the offspring will all have the genotype Rr, which means they will all have the round pea phenotype (R is dominant over r). So, the squares marked 1 and 2 should have Rr written in them.
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