Intracellular digestion refers to a type of digestion where digestion occurs inside cells, particularly in compartments known as vacuoles.
Some animals primarily rely on intracellular digestion to break down food. An example of such an animal is a sponge.Sponges are the simplest type of multicellular organisms and are classified as animals. They are filter feeders that live in aquatic habitats, primarily in the sea.
Sponges are sessile organisms, meaning that they are fixed in one place and don't move around. The primary mode of feeding for sponges is through intracellular digestion.In sponges, digestion takes place within specialized cells known as choanocytes. These cells have a flagellum (a whip-like structure) that creates water currents and directs food particles to the sponge's body. Once inside the sponge's body, food particles are engulfed by specialized cells known as amoebocytes. These cells break down the food particles using enzymes and then distribute the nutrients to other cells in the sponge through their cytoplasmic extensions.In conclusion, sponges are the animal that relies primarily on intracellular digestion.
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Z
S
I
Growing
Polypeptide
Chain of Amino Acids
JA.
Peptide Bond
E.
F
BA
Amino acid
10
B.
The components involved in protein synthesis are A. Ribosome, B. mRNA, C. tRNA, D. translation, E. Anticodon, F. Codon
What are the components involved in the protein synthesis?Protein synthesis is the process by which cells build proteins. This process involves a number of components and steps, which are essential for the production of functional proteins. The key components involved in protein synthesis are:
DNA: DNA is the genetic material that contains the instructions for building proteins. The sequence of nucleotides in the DNA determines the sequence of amino acids in the protein.
mRNA: The RNA transcript that is produced during transcription is called messenger RNA (mRNA). This molecule carries the genetic information from the DNA to the ribosome, where it will be used to synthesize a protein.
Translation: The second step in protein synthesis is translation, which is the process of converting the mRNA sequence into a sequence of amino acids that will make up the protein. This process occurs on the ribosome, which is a complex molecular machine composed of proteins and RNA.
tRNA: Transfer RNA (tRNA) molecules play a crucial role in translation by carrying amino acids to the ribosome. Each tRNA molecule has a specific sequence of nucleotides that corresponds to a particular amino acid. The tRNA binds to the mRNA on the ribosome and transfers its amino acid to the growing protein chain.
Ribosome: The ribosome is the molecular machine that carries out the translation process. It is composed of two subunits, each of which contains proteins and RNA molecules. The ribosome reads the mRNA sequence and catalyzes the formation of peptide bonds between the amino acids carried by the tRNA molecules.
In summary, the process of protein synthesis involves transcription, translation, and post-translational modifications, which require the participation of various molecular components such as DNA, mRNA, tRNA, ribosomes, amino acids, codon, and anticodon.
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The simple one-celled organism seen here moves by streaming its cytoplasm into “false feet “ or pseudopods. It can easily change shape to move and engulf its food. What is the name of these animal-like protists?A. amoebaB. parameciumC. euglenoidD. Diatoms
The organism on the image belongs to the group of Amoeba, they do not possess a cell wall, which allows them to have shifting shape, and extend pseudopod to phagocyte their food.
a woman and man who are not hemophiliacs get married and have two hemophiliac sons, two hemophiliac sons, two sons without hemophilia, and four daughters without hemophilia. after the death of this husband, she marries a hemophiliac man. how would the children of the second marriage compare to those of the first?
Given that the second marriage's father carries the hemophilia mutation, the children of the second marriage will have a more significant chance of acquiring the disease than the children of the first marriage.
Their girls have a 50% chance of inheriting the hemophilia mutation and becoming carriers like their mothers, and all of their sons will have the disease.
StepsThe absence of hemophilia in the couple's first union indicates that at least one X chromosome in each partner is normal and free of the hemophilia mutation. The following genotypes could apply to their offspring:
Sons without hemophilia: X^N Y (where N represents the normal allele)
Hemophiliac sons: X^h Y (where h represents the mutant allele)
Daughters without hemophilia: X^N X^N or X^N X^h (since females have two X chromosomes, they can inherit either a normal or a mutant allele)
We can conclude from the information that the lady carries the hemophilia mutation and can pass it on to her boys. No sons of the previous marriage suffered hemophilia, thus the husband must have had a healthy X chromosome.
The fact that the man is hemophiliac in the second marriage indicates that he carries a mutation on one X chromosome that causes hemophilia. The following genotypes could apply to their offspring:
Sons with hemophilia: X^h Y (since all sons inherit their X chromosome from their mother and their Y chromosome from their father)
Daughters without hemophilia: X^N X^h (since daughters inherit one X chromosome from each parent, and the father can only pass on the X chromosome with the hemophilia mutation)
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What statement is correct about the polarity of a water molecule?
There are several physiological events that occur in the time between the delivery of the stimulus and the start of the recorded response (that is, the latency). Rearrange the following statements to describe the order of physiological events that occur during the latency. - Acetylcholine (ACh) is released into the synaptic cleft. - Ach binds to "nicotinic" acetylcholine receptors on the motor endplate, leading to depolarization. - ACh diffuses across the synaptic cleft. - Increased cellular calcium levels start the biochemical events that underlie contraction. - Initiation of an action potential that spreads across the motor unit. The action potential is conducted along the nerve axon to the neuromuscular junction.- The electrical stimulus generates an action potential in the median nerve. - This action potential stimulates release of calcium ions from the sarcoplasmic reticulum.
The order of physiological events that occur during the latency are:
The electrical stimulus generates an action potential in the median nerve.Acetylcholine (ACh) is released into the synaptic cleft.ACh diffuses across the synaptic cleft.Ach binds to "nicotinic" acetylcholine receptors on the motor endplate, leading to depolarization.This action potential stimulates the release of calcium ions from the sarcoplasmic reticulum.Increased cellular calcium levels start the biochemical events that underlie contraction.Initiation of an action potential that spreads across the motor unit. The action potential is conducted along the nerve axon to the neuromuscular junction.Latency is the time between the delivery of the stimulus and the start of the recorded response. During this time, several physiological events occur in a specific order. The order of events includes the electrical stimulus generating an action potential in the median nerve, the release of acetylcholine (ACh) into the synaptic cleft, ACh diffusing across the synaptic cleft, Ach binding to nicotinic acetylcholine receptors on the motor endplate, leading to depolarization, the action potential stimulating the release of calcium ions from the sarcoplasmic reticulum, increased cellular calcium levels starting the biochemical events that underlie contraction, and the initiation of an action potential that spreads across the motor unit and is conducted along the nerve axon to the neuromuscular junction.
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Which of the mechanisms identifies individuals who are responsible for linking a particular organization department of function with the it department?
The mechanisms identify individuals who are responsible for linking a particular organization's department of function with the IT department are integrators.
Describe an IT department.
A company's technology is managed by an IT department. The department is made up of specialists that are knowledgeable about how to employ every type and style of electronic communication to the advantage of the business. Typically, it is a part of a bigger corporation and answerable to the CIO.
What do you mean by systems integrator?A systems integrator (or system integrator) is a person or business that specializes in fusing separate component subsystems into a single unit and making sure that they work together, a process known as system integration. They also address issues with automation.
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Which technology creates holograms that you can interact with in the real world?
Answer:
mixed reality
Explanation:
mixed reality is a type of technology where you can interact with in real life
why is it necessary to classify plants?
Answer:
Plants are classified based on these 3 characteristics: The evergreen plants are plants that retain leaves at all times.
Hope this helps!
Answer:
The main purpose of classifying plants is to ensure that the right plants are correctly named, grouped and identified. Plants are classified based on these 3 characteristics: The evergreen plants are plants that retain leaves at all times (all year round).
Explanation:
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How can you be blind even thought both eyes are fully working
People can be fully blind with both eyes working due to vision impairment. Their vision is so poor that they require significant assistance in perceiving images.
What is blindness?The blind spots are not visible while both eyes are open because the visual fields of the two eyes overlap. Indeed, even with one eye closed, the blind spot can be subjectively difficult to detect due to the brain's ability to "fill in" or ignore the missing portion of the image.
The majority of persons who have vision loss are not entirely blind. They may have some sight, indicating that they have poor vision. They may have some residual vision, allowing them to see light, color, or shapes.
Therefore, due to vision impairment, people can be completely blind with both eyes working. Their vision is so poor that they must rely on others to perceive images.
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which of the following is a source of new variation in a population? group of answer choices a. sexual selection b. mutation c. genetic drift d. natural selection
Mutation is a source of new variation in a population.
B is the correct answer.
Within members of the same species, genetic variation refers to naturally occurring genetic differences. In the face of shifting environmental conditions, this variety enables adaptability and population survival.
Genetic variations that can exist in a human population include variances in skin colour, hair colour, freckles, dimples, and blood type. A few of examples of genetic variety in plants include the altered leaves of carnivorous plants and the emergence of flowers designed to resemble insects in order to attract pollinators.
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Why woman's have big hips? what are the advantages & disadvantages of having big hips?
Answer:
Women have wide hips or big hips in order to be prepared for the childbirth and permitting pregnancy. The size of the hips of the women starts to wide during puberty as hips bone widens due to the estrogen that leads to increase in size of pelvis.
Advantages of big hips in women:
Besides the sexual attraction widen or big hips are the essential for the physical support and helps in conceiving pregnancy and permitting childbirth. It is also helps in advantage of store fat.
There are not enough significant disadvantages of wide hips other than physical and sexual challenges.
how are plants adapted to survive in the desert?
Some desert plants store water in their leaves stems or roots. Others have thick, waxy skin that prevents water loss. Some desert plants have small leaves that help reduce evaporation. Others have deep taproots that help them reach the underground water sources.
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How do you get the macromolecules in your body?
Answer:
explanation
Explanation:
Food provides the body with the nutrients it needs to survive. Many of these critical nutrients are biological macromolecules, or large molecules, necessary for life. These macromolecules (polymers) are built from different combinations of smaller organic molecules (monomers).
Some scientists are studying a newly discovered microbe and determine that it consists of a single cell, lacking a nucleus. this organism could be:_____
Some scientists are studying a newly discovered microbe and determine that it consists of a single cell, lacking a nucleus. this organism could be a bacterium.
What do you mean by bacterium?Any of a large group of one-celled organisms that reproduce by fission or by generating spores, lack a cell nucleus, and occasionally cause disease. They are the most prevalent life forms on Earth, present in all living organisms as well as all climatic conditions.What can be discovered in bacteria?Its gel-like matrix, which also contains other cell components like ribosomes, chromosomes, and plasmids, is made up of water, enzymes, nutrients, waste products, and gases.The cytoplasm and all of its elements are enclosed by the cell membrane. Bacteria do not have a nucleus that is contained in a membrane like eukaryotic (true) cells do.To learn more about bacteria visit:
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Consider the model of cell reproduction. Select ALL of the statements that apply.A) This model shows mitosis. B) This model shows sexual reproduction. C) This model shows asexual reproduction. D) This model results in two unique daughter cells. E) This model results in two identical daughter cells.
Answer:
Could be either.
Explanation:
It's a big explanation, but here are the basics:
Mitosis - Cell division
Sexual Reproduction - Making offspring with 2 parents
Asexual Reproduction - Making offspring with only 1 parent.
Daughter Cells - After Cell Division
The model of cell reproduction shows two parent reproduction as well as one parent reproduction.
What is resproduction?Reproduction is defined as the process in which new organisms are produced from their a single parent or parents.
So we can conclude that the model of cell reproduction shows two parent reproduction as well as one parent reproduction.
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Which structures should a student bond together to form two strands
when building a DNA model? *
A. Ribosomes
B. Phosphates
C. lysosomes
D. Nucleotides
how many chromosomes are in the daughter cells after meiosis is completed?
Answer:
23 chromosomes
Explanation:
Each daughter cell will have half of the original 46 chromosomes, or 23 chromosomes. Each chromosome consists of 2 sister chromatids. The daughter cells now move in to the third and final phase of meiosis: meiosis II.
Answer:23. Just take half of 46 away and there's your answer.
Explanation:
partial credit given. Go outside and collect a small amount of soil in the containers supplied. You will probably be more successful if you select soil from a vegetated area. Use your soil to prepare a wet mount following the directions you were given in class. Try to use 2 mm' of soil. To help you visualize this, draw two "3d" boxes, each representing a cubic millimeter, actual size, here: Use your microscope to examine the entire area under your coverslip. Count all the nematodes you see. how many cubic mm are in I cm ? How many nematodes were in your mm' of soil? What is your calculated number of nematodes per cubic mm? Based on your data, how many nematodes would you calculate there to be in a cubic centimeter of soil? How many would you calculate there to be in a cubic meter of soil?
There are 1,000 cubic millimeters (mm³) in 1 cubic centimeter (cm³). This is because 1 cm is equal to 10 mm, and when you calculate the volume of a cube, you raise the length of each side to the power of 3.
To determine the number of nematodes in your mm² of soil, you need to count them under the microscope. Let's say you counted 10 nematodes in your mm².
To calculate the number of nematodes per cubic millimeter (mm³) of soil, you need to know the depth of the soil you examined. If you used 2 mm of soil, the calculation would be: (Number of nematodes in mm²) / (Volume of soil in mm³) = 10 nematodes / (2 mm x 1 mm x 1 mm) = 10 nematodes / 2 mm³ = 5 nematodes per mm³.
To calculate the number of nematodes in a cubic centimeter (cm³) of soil, you would use the same ratio of nematodes per mm³. Since there are 1,000 mm³ in 1 cm³, the calculation would be: (Number of nematodes per mm³) x (1,000 mm³) = 5 nematodes/mm³ x 1,000 mm³ = 5,000 nematodes per cm³.
To calculate the number of nematodes in a cubic meter (m³) of soil, you would again use the same ratio. Since there are 1,000,000 cm³ in 1 m³, the calculation would be: (Number of nematodes per cm³) x (1,000,000 cm³) = 5,000 nematodes/cm³ x 1,000,000 cm³ = 5,000,000,000 nematodes per m³.
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which of the following adaptations typically occurs after spending three weeks or more at high altitude? select one: a. muscle mass increases due to reduced oxygen availability b. aerobic capacity increases by at least 35% c. red blood cell production increases d. plasma volume decreases by 70% e. red blood cell production decreases
(c) Red blood cell production increases. After staying at a high altitude for a few days to a week, acclimatization takes place. Lack of oxygen at high altitudes causes the kidney to secrete more erythropoietin, which in turn increases the number of circulating RBCs to reduce low haemoglobin saturation.
What are Red blood cells?Red blood cells or RBCs are a type of blood cell that the bone marrow produces and is present in the blood. Haemoglobin, a protein found in red blood cells, transports oxygen from the lungs to every cell in the body.
What is Erythropoietin?A hormone called erythropoietin is crucial for the production of red blood cells. Erythropoietin is produced by the liver and kidneys when the cells' oxygen levels are low. The hormone then encourages the production of red blood cells in the bone marrow. A small amount of erythropoietin typically circulates in the bloodstream since it aids in replenishing the body's natural blood reserves.
Hence, red blood cell production increases, because lack of oxygen at high altitudes causes the kidney to secrete more erythropoietin, which in turn increases the number of circulating RBCs to reduce low haemoglobin saturation.
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Paragraph about Photosynthesis
Answer:
Photosynthesis is the process of making food by green plants in the presence of sunlight.
Explanation:
During Day, sunlight enters through stomata and carbon dioxide from air and water forms glucose and oxygen. This process is photosynthesis.
what are types if services that environment provides to humans?
The environment provides various types of services to humans, including provisioning services such as food, water, and raw materials, cultural services such as recreation, tourism; and supporting services such as nutrient cycling and soil formation.
What is Nutrient cycling?
Nutrient cycling is the process by which nutrients such as carbon, nitrogen, phosphorus, and others are circulated through an ecosystem, being taken up by organisms, released back into the environment, and reused by other organisms. This cycle involves a range of biological, physical, and chemical processes, including photosynthesis, respiration, decomposition, and nutrient uptake and release by plants and animals.
Nutrient cycling is essential for maintaining the productivity and sustainability of ecosystems, as well as for supporting human activities such as agriculture and forestry.
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Where is the most energy transferred in a food web? I need help asap!
what molecule is used as energy for active transport
Answer: Active transport powered by adenosine triphosphate.
the rapid rise and fall in force produced by a muscle fiber after a single action potential is a(n)
Answer:
The rapid rise and fall in force produced by a muscle fiber after a single action potential is called a muscle twitch. A muscle twitch is a type of muscular contraction that is produced in response to a single action potential, and it is characterized by a rapid and brief increase in muscle force followed by a rapid relaxation. This type of contraction is important for a variety of physiological processes, including reflexes, movements of the eyes and limbs, and maintenance of posture.
pleaseeeeeeeeeeeeeeeeeeeeeeeeeeee help im crying
Answer:
The map uses color to indicate where a country falls compared to the world average. Green shows that a country is below the average ecological footprint size, whilst red shows countries that are above it.
In information security terminology a(n) _____ is a flaw or weakness that allows an attacker to bypass security protections. Access access control vulnerability worm hole
Vulnerability. A vulnerability is a flaw that can be used by cybercriminals to get into a computer system without authorization.
A cyberattack can run harmful code, set up malware, and even steal sensitive data after exploiting a vulnerability. A piece of code that exploits a software weakness or security fault is called an exploit. It is created either by malicious actors for use in their operations or by security researchers as a proof-of-concept threat. Any mechanism by which authorised or unauthorised users are able to go around standard security measures and obtain root access on a computer system, network, or software application is referred to as a backdoor.
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The attributes that can be arranged into hierarchy are cal'
Select one:
a. Simple attributes
b. Derived attributes
c. Atomic attributes
d. Composite attributes
15. Relational model eases the job of the programmer, compared to earlier data models such as Select one:
a. Both Network and Hierarchical
b. Network model
c. Hierarchical model
d. Semistructured model
16. The set of values which specifies which values are to be assigned to individual entities is considered as
Select one:
a. Derivation of values
b. Composition of values
c. Attribution of values
d. Domain of values
17. The structuring of database by specifying the types and constraints of data is classified as
Select one:
a. Analyzing a database
b. Filtering a database
c. Creating a database
d. Defining a database
18. The relational model is today the primary data model for commercial
Select one:
a. Data program application
b. Data processing applications
c. Data management applications
d. Data storage applications
19. The function which causes the retrieval of any kind of data from database is considered as
Select one:
a. Storing cycle
b. Structure
c. Query
d. Key
20. In relational database schemas, the transition constraints are also known as
Select one:
a. Explicit constraints
b. Implicit constraints
c. Static constraints
d. Dynamic constraints
21. The form of data model in which the concepts provided are useful for end users and are also close to the way it is stored in computer system is called
Select one:
a. Representational data models
b. Clientele data models
c. Implementation data models
d. Both representational and implentation data
models
22. The form of data model which focuses the concepts in the same way as the data stored in computer system is classified as
Select one:
a. Medium level data models
b. Dynamic data models
c. High level data models
d. Low level data models
23. The key that uniquely identifies each record is called
Select one:
a. Field name
b. Key record
c. Unique key
d. Primary key
24. The key that uniquely identifies each record is called
Select one:
a. Field name
b. Key record
c. Unique key
d. Primary key
The attributes that can be arranged into hierarchy are composite attributes. A composite attribute, as the name suggests, is composed of multiple atomic or simple attributes.
The attributes that cannot be split into simpler attributes are called atomic or simple attributes. Composite attributes. A composite attribute is one that is made up of two or more atomic attributes. The reason for grouping the attributes together is so that the users can understand the attributes better. Relational model eases the job of the programmer, compared to earlier data models such as both Network and Hierarchical.
Network and Hierarchical models were replaced by the Relational model due to its limitations. As opposed to the Network and Hierarchical models, which have restrictions on the way data is stored, the Relational model provides more flexibility and simplifies the programmer's work. The set of values which specifies which values are to be assigned to individual entities is considered as Attribution of values.
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ontractions of the respiratory muscles produce changes in within the bronchial tree and alveoli to bring about ventilation.
Contractions of the respirator muscles produce changes in air pressure within the bronchial tree and alveoli to bring about ventilation.
The process of ventilation, which involves the movement of air into and out of the lungs, is driven by changes in air pressure within the respiratory system. Contraction and relaxation of the respiratory muscles play a crucial role in generating these pressure changes.
During inhalation, the diaphragm contracts and moves downward while the intercostal muscles contract, causing the ribcage to expand. These muscle contractions increase the volume of the thoracic cavity, leading to a decrease in air pressure within the bronchial tree and alveoli. This decrease in pressure creates a pressure gradient that allows air to flow into the lungs from the higher atmospheric pressure outside.
Conversely, during exhalation, the respiratory muscles relax, and the diaphragm moves upward while the intercostal muscles relax, causing the ribcage to contract. This reduces the volume of the thoracic cavity, increasing the air pressure within the bronchial tree and alveoli. The higher pressure within the lungs compared to the atmospheric pressure outside facilitates the expulsion of air from the lungs.
Thus, the contractions and relaxations of the respiratory muscles are responsible for creating the necessary pressure changes within the bronchial tree and alveoli, enabling ventilation and the exchange of gases in the respiratory system.
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The complete question is:
Contractions of the respirator muscles produce changes in ________ within the bronchial tree and alveoli to bring about ventilation. air pressure.
Consider this animal cell.
The organelles in an animal cell are labeled. Part H is the outside layer of the cell.
The peripheral layer of a creature cell is a cell film. Part H is the outside layer of the cell is called cell membrane. Consequently, choice (A) is right choice.
What is the membrane of a cell?The cell membrane, which is also known as the plasma membrane, separates the inside of a cell from the outside world. The cell membrane is made up of a lipid bilayer that is semipermeable. The flow of substances into and out of the cell is controlled by the cell membrane.
The four primary functions of the plasma membrane are isolation of the cytoplasm from the external environment, communication, control of solute exchange across the membrane, and identification. Subsequently, the organelle marked as H is choice (A) cell layer.
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Complete question:
Consider this animal cell.
The organelles in an animal cell are labeled. Part H is the outside layer of the cell. Which organelle is labeled H?
A. cell membrane
B. cell wall
C. endoplasmic reticulum
D. nucleus
does the roan phenotype illustrate a case of incomplete dominance or a case of codominance? explain.
Yes, the Roan phenotype illustrates a case of incomplete dominance because of the fact that it is a mix of white and red phenotypes.
There are three phenotypes possible in incomplete dominance. Here, they are red, white, and roan, roan being a mix of red and white. When Roan phenotype, obtained in F1 progeny, undergoes selfing, it should produce a phenotypic ratio of 1:2:1. If the expected phenotypic ratio is obtained, Roan if unexpectedly a case of incomplete dominance.
Let red phenotype be expressed by RR genotype and white color be expressed by rr genotype. When RR is crossed with rr, all of the genotype that comes out after crossing is Rr. Rr is a mixed genotype of the two and is thus a heterozygote and produces a mix phenotype called roan. All of these phenotypes demonstrate the coat color of the cattle. When roan phenotypes are crossed, the phenotypic and genotypic ratio of 1:2:1 is produced. Thus, the coat colors are inherited through incomplete dominance.
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Complete question is:
In Shorthorn cattle, coat color may be red, white, or roan. Roan is an intermediate phenotype expressed as a mixture of red and white hairs.
red x red = all red
white x white = all white
red x white = all roan
roan x roan = 1/4 red : 1/2 roan : 1/4 white
How is coat color inherited? What are the genotypes of parents and offspring for each cross?
Does the roan phenotype illustrate a case of incomplete dominance or a case of codominance? Explain.