Answers
Answer:
Does not really sure of the exact answer
Related Questions
Active transport and facilitied diffusion relation
Answers
Answer:
Both facilitated diffusion and active transport are selective processes. Only selective molecules are allowed to cross the membrane. They utilize carrier proteins to move across the membrane.
Explanation:
Diffusion is the process by which molecules move across a membrane respective of the concentration gradient. The plasma membrane is a selectively permeable membrane which allows specific molecules to move across the concentration gradient.
Molecules migrate from a region of higher concentration to a lower concentration in case of diffusion. It can be classified into simple diffusion and facilitated diffusion. These are examples of passive transport.
In facilitated diffusion molecules move across the concentration gradient with the help of carrier proteins or channel proteins. The carrier proteins bind to the molecule which has to be transported and change conformation to allow it to cross the membrane. For example glucose molecule is carried across through GLUT transporter. Channel proteins open a channel inside the membrane and molecules get transported across the gradient.
Active transport carries molecules against the concentration gradient with the assist of energy. ATP hydrolysis is utilized to generate energy. As a result of active transport, the molecules are aggregated on one side of the membrane.
Which distinguishes the process of cytokinesis in plant and animal cells?
Question 13 options:
A cell plate forms in animal cells, while a furrow forms in plant cells.
A cell plate forms in plant cells, while a furrow forms in animal cells.
Cytokinesis results in genetic diversity in animal cells but not plant cells.
Cytokinesis results in genetic diversity in plant cells but not animal cells.
Answers
Answer:
2nd one
Explanation:
A cell plate forms in plant cells, while a furrow forms in animal cells.
A cell plate forms in plant cells, while furrow forms in animal cells, distinguishing the process of cytokinesis in plant and animal cells. The correct option is b.
What is cytokinesis?Following mitosis is cytokinesis. The cell goes through mitosis after interphase (during which the DNA replicates and primes for division) (the splitting of the nucleus).
Following full membrane separation, a process known as cytokinesis creates two identical cells. After telophase, the cell undergoes cytokinesis, during which the cytoplasm splits to create two daughter cells. The cell then goes through the G0 phase, the quiescent period of cell division during which no cell division takes place.
Therefore, the correct option is B. A cell plate forms in plant cells, while furrow forms in animal cells.
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How do the nucleus and ribosomes work together to maintain homeostasis
Answers
Answer:
The nucleus contains the cell ‘s DNA and directs the synthesis of ribosomes and proteins.
Found within the nucleoplasm, the nucleolus is a condensed region of chromatin where ribosome synthesis occurs.
Chromatin consists of DNA wrapped around histone proteins and is stored within the nucleoplasm.
Ribosomes are large complexes of protein and ribonucleic acid (RNA) responsible for protein synthesis when DNA from the nucleus is transcribed.
Explanation:
The cell nucleus produces new mRNAs that will be used as templates for protein synthesis in the ribosomes.
During gene transcription in the cell nucleus, a fragment of DNA called gene is used as a template to create a complementary mRNA. Subsequently, the mRNA travels to the ribosome in the cytoplasm where it is used as template to synthesize a protein by a process called translation.In consequence, the ribosomes act as protein factories in the cell that work together with the cell nucleus to create new proteins.In conclusion, the cell nucleus produces new mRNAs that will be used as templates for protein synthesis in the ribosomes.
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In a classic experiment using pea shape, Mendel conducted two separate genetic crosses. In the first cross the parent plants were “true breeding” for pea shape; one had round peas ( R )and the other had wrinkled (r). The first cross produced a filial 1 generation of all round peas. In the second cross, Mendel bred plants from the filial 1 generation. This cross produced different results. Out of approximately 1000 plants, about 75% were round and 25% were wrinkled.
From these experiments, Mendel developed four hypotheses. They include all BUT
A) one heritable factor may be dominant and mask the other factor.
B) any organism that "shows" a heritable factor must be homozygous.
C) an organism has two "heritable factors", now called genes, one from each parent.
D) a sperm or egg carries only one heritable factor for each trait in the offspring.
Answers
Answer:
The law of segregation is the Mendel’s laws or principles explain that traits are passed from parents to offspring individually instead of as pairs, groups or sets.This is a law or principle which states that during the formation of gametes, two copies of each heredity factors separate out so that the new offspring can get one factor of both the parents. This law was the first law in this direction.
Answer:
B
Explanation:
What is CEPHALIZATION in simple words?
Answers
Cephalization is the evolutionary trend of concentrating nervous tissue, forming a centralized 'head'. In the human context, it refers to 'encephalization', or an evolutionary increase in the size of the brain relative to body size.
Explanation:In simple terms, Cephalization is the evolutionary trend where the nervous tissue, over many generations, becomes concentrated towards one end of an organism. This process forms a head region with centralized control functions like the brain and sensory organs. With respect to humans, it refers to the evolutionary increase in the size of the brain relative to body size - a phenomenon known as encephalization.
Organisms display different degrees of cephalization, largely connected to their complexity and mode of life. For example, in humans and other primates, a significant part of this process was encephalization, or the increase in brain size over time relative to body size. This is measured using the encephalization quotient, which is the ratio between actual brain weight and expected brain weight for an animal of a given size. This ratio has increased over time, reflecting our increased cognitive complexity.
The development and shape of the brain can also be studied using endocranial casts - molds of the inside of the braincase that give us insight into brain volume. This provides a rough estimate of brain size, allowing us to trace the process of encephalization in human evolution.
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Why would you expect the crystals in an intrusive rock to be larger than the crystals in an
extrusive rock?
A. The crystals in intrusive and extrusive
rocks are generally the same size.
B. Intrusive rocks cool more rapidly, which
produces larger crystals.
C. Intrusive rocks cool more slowly, which
produces larger crystals.
D. The chemical composition of intrusive
rocks produces large crystals.
Answers
Answer:
C. Intrusive rocks cool more slowly, which produces larger crystals
Explanation:
Intrusive rocks are igneous rocks that form beneath the surface. Unlike extrusive rocks (rocks that form above the surface), intrusive rocks cool down more slowly, so this allows crystals more time to grow before they completely cool down and solidify.
The crystals in intrusive rocks are larger than the crystals in extrusive rocks because intrusive rocks cool more slowly.
Explanation:When comparing intrusive rocks to extrusive rocks, you would expect the crystals in intrusive rocks to be larger. This is because intrusive rocks cool more slowly compared to extrusive rocks. The slower cooling rate allows for more time for the crystals to grow, resulting in larger crystal grains in the rock.
The ATP molecule shown consists of a base,__________, and a chain of three phosphates.
Answers
Answer:
The ATP molecule shown consists of a base, Adenine, and a chain of three phosphates.
Explanation:
ATP can be described as a molecule which is the main energy source for cells of an organisms body. ATP is made up of a nucleotide base which is adenine and three phosphates attached to it hence the name adenine triphosphate.
The energy is released from an ATP molecule by breaking or hydrolyzing it. This process releases adenine diphosphate, a phosphate molecule along with loads of energy. ATP is the main molecule which cells use to carry out their normal functions.
Convergent plate movement can create all of the following EXCEPT
A) ridges
B) valleys
C) mountains
D) volcanoes.
Answers
Convergent plate boundaries are where tectonic plates collide forming mountains, valleys, and volcanoes. Ridges, however are formed at divergent plate boundaries where plates pull apart.
Explanation:In the field of plate tectonics, convergent plate boundaries are areas where two tectonic plates move towards each other. This movement can result in the creation of various geological features such as mountains, valleys, and volcanoes. However, the creation of ridges is typically associated with divergent plate boundaries, where two tectonic plates move apart. Therefore, the correct answer to your question is A) ridges, as convergent plate movement does not typically create ridges.
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Why are mitochondria and Chloroplasts unique?
Answers
Answer:
Mitochondria and chloroplasts have striking similarities to bacteria cells. They have their own DNA, which is separate from the DNA found in the nucleus of the cell. And both organelles use their DNA to produce many proteins and enzymes required for their function.
Explanation:
Mitochondria and chloroplasts are unique because they have their own DNA and are thought to have originated from ancient symbiotic relationships.
What are mitochondria?Mitochondria are double-membraned organelles found in eukaryotic cells. They are often referred to as the "powerhouses" of the cell due to their role in energy production. Mitochondria are responsible for generating adenosine triphosphate (ATP), the molecule that serves as the primary energy currency of the cell.
Mitochondria have their own DNA, separate from the cell's nuclear DNA, and can replicate independently through a process similar to bacterial binary fission. This suggests that mitochondria have an evolutionary origin as free-living bacteria that formed a symbiotic relationship with early eukaryotic cells.
The inner membrane of mitochondria contains various protein complexes involved in cellular respiration, a series of biochemical reactions that convert nutrients into ATP. These reactions occur in specialized structures called cristae, which increase the surface area available for energy production.
Mitochondria also play roles in calcium signaling, regulation of cell death processes, and other cellular functions beyond energy production. Their presence varies in different cell types, with higher concentrations in cells that require substantial energy, such as muscle cells.
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An organism inherits hits genetic instruction from the
Answers
Answer:
its parents.
Explanation:
its parents hold a dna code
Please I need the answer ASAP
Answers
The correct evidence statements for explaining the relationship among carbon, amino acids, and proteins are:
b. Proteins are polymers made up of amino acids.
d. Amino acids are monomers made up mostly of carbon, hydrogen, nitrogen, and oxygen.
Here's why these statements are correct:
b. This statement accurately describes the fundamental relationship: amino acids are the building blocks of proteins. Proteins are formed by linking numerous amino acids together in chains through peptide bonds.
d. This statement highlights the composition of amino acids, which are indeed organic molecules primarily composed of carbon, hydrogen, nitrogen, and oxygen. This foundation in carbon establishes the connection between amino acids and the element itself.
Incorrect statements:
a. This statement reverses the relationship. Amino acids are the monomers, not the polymers.
c. While both proteins and amino acids contain carbon atoms, this statement alone doesn't explain the specific relationship between them. Many other molecules also contain carbon but aren't related to protein and amino acid composition.
Therefore, only statements b and d provide relevant and accurate evidence for explaining the connection between carbon, amino acids, and proteins.
If a particular manufacturer emits less pollution than its allotted cap, It gets an extra allowance and can sell it to other manufacturers. Which
environmental policy or category governs this process?
A.
environmental legislation
B.
federal law
C.
incentives
D.
cap and trade
E.
disincentives
Answers
Answer:
d cap and trade
Explanation:
Lorenzo is making a prediction. "I learned that nonmetals
increase in reactivity when moving from left to right. So I
predict that xenon will be more reactive than iodine." Is
Lorenzo correct? If so, why? If not, explain his error.
Answers
Answer:
Lorenzo is not correct because xenon is a noble gas which is nonreactive or inert.
Explanation:
The reactivity of nonmetals increases when moving from left to right in the periodic table. They have a high attraction for electrons and tend to gain electrons. The most reactive nonmetal element is fluorine. Noble gases are the least reactive because they have the most stable arrangement of electrons (eight valence electrons). So they rarely react with other elements. So the prediction that xenon will be more reactive than iodine is incorrect.
Answer:
Lorenzo is not correct. Nonmetals increase in reactivity from left to right because nonmetals on the right have more valence electrons. They need to gain fewer electrons to have a full outer shell. However, this trend only continues until group 17, because the noble gases already have a full outer shell. Therefore, their reactivity is the least of all the elements.
Explanation:
t was already answerd i just wanted to answer too
Which pair of statements best describes an essential amino acid?
It is an amino acid that contains peptide bonds. An example is proline.
It is an amino acid that contains nitrogen. An example is aspartic acid.
It is an amino acid that cannot be made by the body. It must be obtained from eating certain foods.
It is an amino acid that can be produced by the body. Vitamin supplements maintain healthy levels
Answers
Answer:
C
Explanation:
It is an amino acid that cannot be produced by the body. It must be obtained from eating certain foods.
What effects does burning fossil fuels have on the atmosphere? Select the two correct answers.
increases levels of gases that retain the sun's heat
increases the availability of sulfur dioxide for plants
increases levels of particulate matter
increases ozone levels in the upper atmosphere
increases air quality in areas far away from power plants
Answers
Answer:
The burning of fossil fuels produces gases like sulfur dioxide and carbon dioxide which trap the sun's heat radiations and increase the overall temperature of the Earth. So the answers are A & B.
Explanation:
Global warming is caused by burning fossil fuels. The carbon dioxide produced as a result captures the heat in the surrounding atmosphere and causes a rise in temperature. Recently, it has been observed that the glaciers are melting and each year the net temperature of the core of the Earth is increasing.
The other gas produced is sulphur dioxide which is responsible for the acid rain. The sulphur dioxide combines with water to form sulphuric acid which causes damage to buildings and people. E.g Taj Mahal, in India is getting corroded by acid rain.
The burning of fossil fuels increases levels of gases that retain the sun's heat and increases levels of particulate matter.
What are fossil fuels?Fossil fuels are different types of fuels made from dead plants and animals that decomposed over geological time.
Fossil fuels include, among others, coal, oil, natural gas, etc.The burning of these fossil fuels generates global warming by retaining solar radiation in the atmosphere.In conclusion, the burning of fossil fuels increases levels of gases that retain the sun's heat and increases levels of particulate matter.
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Read the article and use the information to answer the questions that follow. Discovering the Structure of DNA Explain how the discoveries by Rosalind Franklin helped Watson and Crick build an accurate model of DNA.
Answers
Discovery of structure of DNA by Franklin and Watson and Crick.
Explanation:
Rosalind Franklin was researching about DNA structure at the King’s College at London based on x-ray diffraction studies; while, Crick and Watson were researching on the same at the Cambridge University based on Linus Pauling discovery of proteins.
Once when Watson happen to listen to Franklin’s lecture upon DNA structure and how it depends on relative humidity of the air and other facts relating to DNA; he along with Crick made physical DNA models which became a big failure.
Later, Franklin found that a wet form of DNA with high humidity had a helix like structure. This point became the base of later discovery of Watson and Crick’s double helix model of DNA along with the discovery of DNA molecules being made up of double chain of nucleotides.
Rosalind Franklin was a chemist, who discovered X-ray diffraction and a key role in determining the structure of the DNA molecule.
The discoveries of Franklin and Watson and Crick on DNA are:
Franklin used the X-ray crystallography technique to identify the double-helical structure of the DNA. Watson and Crick's foundation was laid on the discovery of Franklin's DNA structure. Watson and Crick suggested that bases are joined together to their complementary bases, which gives DNA its helical structure.
Thus, Watson and Crick used the information given by Franklin to discover the properties of DNA.
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Select the correct answer from each drop-down menu.
Plants use sunlight to convert nutrients into energy. What form of energy transfer is taking place?
The
energy of the Sun is converted into
energy by the plants.
Answers
Final answer:
During photosynthesis, plants convert the radiant energy of sunlight into chemical energy, which is stored in the form of glucose. This chemical energy is transferred to animals when they consume plant materials.
Explanation:
The radiant energy in sunlight is crucial for plants to perform photosynthesis, a fundamentally important biological process. During photosynthesis, plants absorb solar energy and use it to convert carbon dioxide and water into glucose and oxygen. This process involves the transformation of light energy into chemical potential energy, which is stored in the chemical bonds of glucose and other carbohydrates. Animals then consume these plants or plant-derived products to obtain this chemical energy, which is released during digestion.
Therefore, to answer the student's question:
The radiant energy of the Sun is converted into chemical energy by the plants. Option a. Sunlight is converted into chemical energy by plants; this energy is released when we digest food, which is the correct completion of the statement.
Which organelles are found in an animal cell check all apply
Answers
Endoplasmic reticulum, centrioles, lysosomes, mitochondria, and cell membrane are found in an animal cell. Vacuoles, chloroplasts, and cell wall are not.
In an animal cell, several organelles play crucial roles in various cellular functions. Let's go through each option to identify which organelles are indeed present:
Endoplasmic Reticulum (ER): Yes, animal cells contain endoplasmic reticulum. This organelle is responsible for protein and lipid synthesis.
Centrioles: Yes, animal cells contain centrioles. These organelles are involved in cell division, aiding in the formation of the mitotic spindle.
Cell Wall: No, animal cells do not have a cell wall. The cell wall is a rigid structure found in plant cells, fungi, and some bacteria, providing structural support and protection.
Vacuoles: Yes, animal cells contain vacuoles, although they are generally smaller and less prominent compared to plant cells.
Vacuoles in animal cells play roles in intracellular digestion and storage.
Lysosomes: Yes, animal cells contain lysosomes. Lysosomes are involved in intracellular digestion, breaking down macromolecules and cellular debris.
Mitochondria: Yes, animal cells contain mitochondria. Mitochondria are known as the powerhouse of the cell, producing energy in the form of ATP through cellular respiration.
Chloroplasts: No, animal cells do not contain chloroplasts. Chloroplasts are organelles found in plant cells and some protists, responsible for photosynthesis.
Cell Membrane: Yes, animal cells have a cell membrane. The cell membrane, also known as the plasma membrane, surrounds the cell, regulating the passage of substances in and out of the cell and providing structural support.
Question
Which organelles are found in an animal cell?
Check all that apply.
endoplasmic reticulum
centrioles
cell wall
vacuoles
lysosomes
mitochondria
chloroplasts
cell membrane
The heat process caused by the uneven distribution of thermal energy in Earth's interior is called _____________.
ridge push
mantle convection
slab pull
convection
Answers
Answer:
Convection.
Explanation:
The heat process caused by the uneven distribution of thermal energy is Earth's interior is called convection. The heating of the lower atmosphere is primarily the result of distribution of heat through convection. Convection is the process by which air rises or sink because of the difference of temperature. Convection generally occur when gases heated at uneven temperature.
Answer:
The heat process caused by the uneven distribution of thermal energy in Earth's interior is called Convention.
Explanation:
The convention means the process of conveying. Here The thermal energy is conveyed by air. The warmer air tend to move upward while colder air tend to move downward. The air around the globe moves from one place to another y this convention and pressure distribution. A simple example for convention is when you heat the water, the vapors tend move upward.
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Process does not require oxygen.
Answers
Hope this helps!
Anaerobic respiration is a biological process that does not require oxygen. It occurs in organisms like yeast, muscle cells during exercise, and certain bacteria and archaea. Anaerobic respiration is also known as fermentation and is a quick source of energy.
Explanation:In biology, the process that does not require oxygen is called anaerobic respiration. Anaerobic respiration occurs in organisms, such as yeast, in the absence of oxygen.
An example of anaerobic respiration is fermentation, which takes place in the muscle cells of animals during intense exercise. Fermentation produces lactic acid and provides a quick source of energy.
Some bacteria and archaea also carry out anaerobic respiration in environments with low oxygen levels, using different chemical reactions to generate energy.
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Which equation represents a fission reaction?
14N+H—150
o se ut n— 1 CS + S Rb +2n
o Be + He — C +ón
28 Np — 23 Pute
Mark this and return
Answers
Answer:
Option B is correct: 235 92U + 1 0n→ 140 55Cs + 94 37Rb + 2 (1 0n)
Explanation:
During nuclear fission, nucleus of an atom splits into smaller parts. The fission process produces free neutrons and photons, and releases a large amount of energy.
In these four reactions, only B option satisfied the conditions of a nuclear fission reaction. Here is more detail
B. 235 92U + 1 0n → 140 55Cs + 94 37Rb + 2 (1 0n)
235 92U atoms split into 140 55Cs and 94 37Rb smaller parts with the help of neutron (energy).
The other three reactions are the example of nuclear transmutation reactions.
A. 14 7N + 1 1H → 15 8O
C. 9 4Be + 4 2He → 12 6C + 1 0n
D. 239 93Np + 239 94Pu + 0 -1e
Susan makes a claim that humans do not evolve because we adapt to situations by changing our technology, not ourselves. Which piece of evidence contradicts this idea?
Humans have been tool users for a long time.
Other primates use tools.
The size of our brains has increased since we became tools users.
Our technology is always increasing
Answers
Answer:
The size of our brains has increased since we became tools users.
Answer:
c
Explanation:
WILL MARK BRAINLIEST!!!
Which actions can humans take to reduce wave erosion? Select two options.
A. build drainage systems
B. build houses near coastlines
C. build breakwaters in the ocean
D. reduce vegetation along coastlines
E. reduce effects of global warming
Answers
Answer: C and E
Hope this helps!!
Answer:
c and e
Explanation:
Where is this energy stored in glucose
Answers
Answer:
The energy in glucose is stored primarily in the carbon-carbon and carbon-hydrogen bonds. In fact, anything with carbon-carbon and carbon-hydrogen bonds stores energy. Other common examples include gasoline, coal, and fat.
Explanation:
Answer:
The energy stored in glucose is starch and glycogen.
Explanation:
Okay so you get glucose from sugar then that is then stored in to as a starch or like glycogen.
What group of organisms remove carbon
dioxide from the atmosphere?
A. bacteria
B. fungi
C. green plants
Answers
Answer:
C green plants
Explanation:
plants use CO2 from the atmosphere in order to synthesize organic compunds like glucose in the dark reactions of the photosynthesis(Calvin cycle)
Answer:
c
Explanation:
Which organelles are found in a plant cell
Answers
Answer:Plant the plant cell contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes.
Explanation:
nucleus of the cell is responsible for
Answers
The "brain" of the cell.
The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material.
A scientist is using a light microscope to observe a sample of muscle tissue. By analyzing the cellular structure and organization of the muscle
tissue, the scientist can identify which of these properties?
A
the age of the donor
B. how frequently the muscle was used
C, whether the muscle was located in the arms, legs, or torso
D. Whether the muscle moved the skeleton, the heart, or another type of internal organ
Answers
Final answer:
A scientist can identify if a muscle is skeletal, cardiac, or smooth by observing the striations and nuclei arrangement under a light microscope. Striated and multinucleated fibers indicate skeletal muscle, striated with single nuclei are cardiac muscle, and non-striated indicates smooth muscle.
Explanation:
A scientist using a light microscope to observe muscle tissue can identify whether the muscle moved the skeleton, the heart, or other types of internal organs by analyzing its cellular structure and organization. This is because muscle tissue is classified into three distinct types based on structure and function: skeletal muscle, cardiac muscle, and smooth muscle.
Skeletal muscle tissue has a distinctive striated appearance due to the regular arrangement of actin and myosin contractile proteins in the cytoplasm of the muscle fibers, which appears as stripes, or striations, visible under high magnification. These muscle fibers are also multinucleated structures, which is another distinguishable feature. In contrast, smooth muscle does not display striations and is not multinucleated. Cardiac muscle tissue, like skeletal muscle, has striations but differs in that cardiac muscle fibers typically have a single nucleus and are connected in a pattern that allows the heart to contract as one unit.
Therefore, by identifying the presence of striations and the arrangement and number of nuclei, a scientist can determine if a muscle is skeletal, indicating it moves the skeleton, cardiac if it moves the heart, or smooth if it is involved in moving internal organs not under voluntary control.
2.
A network or framework of fibers to which the chromatids are attached. They push and
pull the chromosomes around the cell are known as
A Chromosomes
B Centromeres
C Chromatids
D Spindle Fibers
Answers
Parent Plant one’s gametes are as follows:
Gamete 1: PR
Gamete 2: Pr
Gamete 3: pR
gamete 4: pr
Parent Plant Two:
Gamete 1: PR
Gamete 2: Pr
Gamete 3: pR
Gamete 4: pr
Create a Punnett square to calculate the possible genotypes that can result from a cross between the two parent plants. In a dihybrid cross, the alleles of the gametes of each parent are written along the left side and top of the Punnett square, just as they are for a monohybrid cross. Fill in the squares with the predicted genotypes.
Answers
Answer:
In a dihybrid cross, the alleles of the gametes of each plant parent (PpRr x PpRr) are written along the left side and top to the Punnett square drawing. We can calculate the outcome of the genetic cross of (PpRr x PpRr). Since each parent has four different combinations of alleles in the gametes, there are sixteen possible. There will be nine (9) individuals with both dominant traits, three (3) individuals dominant for one trait, three (3) individuals dominant for the other trait and only one individual recessive for both traits.
In this case, we are looking at a subcategory of the plants dominant for both traits. Four of these nine will be heterozygous for both traits. The ratios can be represented as: 9:3:3:1.
For further information, please see the image attached.
Final answer:
To create a Punnett square for a dihybrid cross between the two parent plants, list the alleles from each parent's gametes along the left side and top of the square. The possible genotypes that can result from the cross are: PR, Pr, pR, and pr.
Explanation:
To create a Punnett square for a dihybrid cross between the two parent plants, the alleles from each parent's gametes are written along the left side and top of the square. In this case, both parents have the same gametes, so the Punnett square will be symmetrical. The possible genotypes that can result from the cross are: PR, Pr, pR, and pr. These genotypes represent the different combinations of alleles from the two parents.