Principle of Inheritance and VariationHard

Question

n a cross between AABB × aabb, the ration of F2 genotypes brtween AABB, AaBB, Aabb and aabb would be

Options

A.9 : 3 : 3 : 1
B.2 : 1 : 1 : 2
C.1 : 2 : 2 : 1
D.7 : 5 : 3 : 1

Solution

In this dihybrid cross the ration of F2 genotype between AABB, AaBB, , Aabb and aabb would be 1 : 2 : 2 : 1.

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