Principle of Inheritance and VariationHard

Question

In a dihybrid cross between AABB and aabb the ratio of AABB, AABb, aaBb, aabb in F2 generation is

Options

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

Solution

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