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Agouti is a type of coat color pattern in mouse that cannot be expressed in albinos (white mice). A non-albino, agouti mouse that is heterozygous at the albino (A) and agouti (B) loci (AaBb) is mated to an albino mouse that is heterozygous at the agouti locus (aaBb). Non-albino mice without the dominant agouti allele (AAbb and Aabb) are black.
-What percent of the progeny do you expect to be albino?
A) 0
B) 12.5
C) 37.5
D) 50
E) 100

Question

Quizplus · Accepted Answer

When we do a Punnett square with the parental genotypes, we get the following:
   A a
B AaBb Aabb
b Aabb aabb
As we can see, 50% of the progeny will be albino (aa) while the other 50% will not be albino (AaBb, Aabb, aabb).

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