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3 years ago

What are the possible phenotype(s) for their children? * A. Hazel eyes B. Brown eyes

Biology

1 answer:

zhenek [66]3 years ago

8 0

Answer:

hazel eyes are recessive, Brown eyes are dominant. is there a pedigree along with this question?

Explanation:

Please insert an image of a pedigree

hope this helps!

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Nerve impulses have been found to travel as fast as 100 m/s . what could account for the difference between your answer to quest

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4 years ago

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Answer:

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3 years ago

What is the digestive function of bile? (Anatomy and Physiology)

valkas [14]

Answer:

Bile, informally known as stomach acid, chemically breaks down food early on in the digestive process.

Explanation:

Chewing is the first step in the process of digestion (assuming we are talking about humans and other animals with a similar digestive system) where the food is mechanically/physically broken down.

At the same time, saliva breaks down the food chemically (hence why leaving a simple carb such as bread in your mouth causes it to dissolve over time)

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4 years ago

A woman has blood Type A, her baby has blood Type AB: Is it possible that a man who has the blood Type A could be the father? Sh

Wittaler [7]

Answer:

No, it is not possible

Explanation:

Humans use the ABO blood group system where the A and B alleles are dominant over allele O but codominant with one another.

This system is such that;

Type A can only have genotype: iAiA or iAi

Type B can only have genotype: iBiB or iBi

Type AB can only have genotype: iAiB

Type O can only have genotype: ii

According to this question, a woman has blood Type A (iAiA or iAi) and her baby has blood Type AB (iAiB). This means that the father definitely contributed the allele B in order to have a baby with type AB. It also means that, according to the question, IT IS NOT POSSIBLE FOR A "Type A" father to produce that baby (see the punnet square attached).

Note: The father must contain an allele B in his genotype i.e. the father must be either type B (iBiB or iBi) or type AB (iAiB)

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3 years ago