NEET Biology question

Biology Principles of Inheritance and Variation NEET

= for black colour alleles; = for brown colour alleles. Offspring of a cross between a black mouse and brown mouse allowed to interbreed, then find out the percentage of black coat in them.

(A)75%Correct
(B)50%
(C)Cross is not possible because black and brown mouse are different species
(D)100%

Answer: (A)

Solution

Crossing a homozygous black mouse () with a homozygous brown mouse () produces an F1 generation that is entirely heterozygous (, phenotypically black, since black is dominant); interbreeding these F1

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Question ID VK-120074