First slide

Inheritance of One Gene

Question

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

Easy

A

1 and 2
B

2 and 3
C

3 and 5
D

4 and 2

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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