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Ksju [112]
3 years ago
5

What is cross breeding impact on the environment

Biology
2 answers:
HACTEHA [7]3 years ago
4 0

Answer:

it is gaining populaity

Lorico [155]2 years ago
4 0
Cross breeding animals cause genetic issues, disorders, and health issues
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How could the botanist best determine whether the genotype of the green-pod plant is homozygous or heterozygous?
murzikaleks [220]

Answer:

C

Explanation:

Homozygosity is when the two alleles (gene form) are the same while heterozygosity is when the alleles are of different types.

In a gene, an allele is capable of masking the expression of another. The allele being expressed or that masks is called the DOMINANT allele while the allele being masked is the RECESSIVE allele.

A recessive allele will only be expressed (phenotypically) if the two alleles are of the same type i.e. homologous but when a dominant phenotype is expressed, one cannot ascertain whether the organism is heterozygous or homozygous for that gene. e.g T is the gene coding for height in plant, T which represents tallness is dominant over t, representing shortness. In a heterozygous (Tt) and homozygous dominant (TT) state, the plant will be phenotypically tall but will only be short in a homozygous recessive (tt) state.

Since the plant will be tall in homozygous (TT) or heterozygous (Tt), we cannot detect the actual genotype of the plant. Hence, a test cross is done.

A test cross is a cross between a dominant phenotype and a homozygous recessive in order to determine the actual genotype of the dominant organism i.e. whether homozygous or heterozygous.

In this case involving pod color gene, since the botanist is trying to determine whether the genotype of the green pod plant is heterozygous or homozygous, it means the allele for green pod is dominant over that of yellow pod (recessive).

N.B: The recessive trait can only be expressed if it is homozygous. Therefore, the yellow pod plant has homozygous recessive genotype.

A test cross is conducted by the botanist to determine whether the green pod plant is heterozygous or homozygous by crossing it with a yellow pod plant (homozygous recessive).

If any of the offspring plants exhibit recessive traits i.e. yellow pods, it means the parent green pod plant is heterozygous but if all the offspring plants show phenotypic dominant traits i.e green pod, it means the parent green pod plant is homozygous.

8 0
3 years ago
A client is admitted to an acute care facility with complications of celiac disease. which question should be helpful initially
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The answer would be: <span>"What is your understanding of celiac disease?"

Celiac disease is one of the allergic/autoimmune diseases that need a good education to prevent recurrence. Before giving information about the disease, the nurse should obtain what information about the disease that they already know.</span>
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Which of the following is a function of proteins? (AKS 1a)
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ans is A long term energy

storage

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Mrs. Jones is exposed to high-energy solar radiation. She develops skin cancer as a result of a mutation in skin cells. A physic
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.c.No. The mutation occurred in skin cells and not the ovaries, where egg cells are generated

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I need help please !!!!!!
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5-10 days to get to the waking faze

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