If Aabb × aaBb, then genotypic ratio of its progeny will be
A
9 : 3 : 3 : 1
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B
1 : 2 : 1
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C
1 : 1 : 1 : 1
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D
4 : 4
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Solution
The correct option is B 1 : 1 : 1 : 1 Cross : Aabb x aaBb Gametes : Ab, ab and aB, ab Offspring : AaBb, Aabb, aaBb and aabb The genotypic ratio is 1 : 1 : 1 : 1