2 years ago

Which of the following statements stated below is precisely correct?

Biology

1 answer:

Crank2 years ago

6 0

Both a b c are the right answer choice for this question

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In mice, black color (B) is dominant to white (b). At a different locus, a dominant allele (A) produces a band of yellow just be

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Explanation:

Heterozygous mice at both loci would be BbAa genotype.

B (black) is dominant over b (white) but the presence of A results in agouti.

Crossing two heterozygous:

BbAa x BbAa

Progeny

9 B_A_ - Agouti

3 bbA_ - agouti

3 B_aa - Black

1 bbaa - white

Hence, 3 out of 16 progeny will be black in color.

See the attached image for the Punnet's square analysis of the cross.

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