In a diploid organism, there are three different alleles for a particular gene. Of these three alleles, one is recessive and the other two alleles exhibit codominance. How many phenotypes with this set of alleles?

Answer 1

4

This problem is comparable to the blood type problem in that blood types have three possible alleles: codominate A and B and recessive O. Together, these alleles result in four possible phenotypes.

A + B equals A

A = AA

AO is equivalent to A

B + BB =

BO = B

O = OO

This provides four phenotype options.

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Answer 2

There would be four phenotypes.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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