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(Solved): Read each question carefully and fill in the blank with the correct answer from the drop-down menu. ...



Read each question carefully and fill in the blank with the correct answer from the drop-down menu. Some answers may be used more than once, and others may not be used at all. In a cross where the parental genotype is AA

\times

aa, what proportion of homozygotes is expected among the F2 offspring?

In a cross where the parental genotype is

AAbb\times

aa

BB

, what proportion of the

F2

offspring is expected to be homozygous for at least one gene?

In the testcross

AaBb\times

aa bb , what proportion of individuals are expected to be homozygous for both genes in the F1 generation?

Assume that in guinea pigs, dark brown fur (B) is dominant to black fur (b). If you mate a homozygous black guinea pig with a heterozygous brown guinea pig, what proportion of the progeny will be black?

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