Q.
From a cross Aa BB × aa BB, which of the following genotypic ratio will be obtained in F1 generation?
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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
answer is A.
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Detailed 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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