First slide

Inheritance of Two Genes

Question

From a cross Aa BB × aa BB, which of the following genotypic ratio will be obtained in $F_{1}$ generation?

Easy

A

1 Aa BB : 1 aa BB
B

1 Aa BB : 3 aa BB
C

3 Aa BB : 1 aa BB
D

All Aa BB

Solution

From the cross between AaBB x aaBB, the gametes produced from AaBB are AB, aB and from parent aaBB is aB, which gives AaBB and aaBB in 1:1 ratio.

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