Q.

Number of gametes produced by a homozygous and a heterozygous individuals of genotype AA and Aa, respectively are

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a

1 and 2

b

2 and 3

c

3 and 5

d

4 and 2

answer is A.

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Detailed Solution

The formula to calculate the number of gametes from a given genotype is 2n.where, n = number of heterozygosity in the given genotype. Thus , number/types of gametes produced by a homozygous individual of genotype AA is 2(0) = 1 and by heterozygous individual of genotype Aa is 2(1) = 2.
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