Genotypic ratio of monohybrid cross is _____

3:1

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2:1

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1:2:1

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1:1

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Solution

The correct option is C
1:2:1

In the F2 generation of a typical monohybrid cross, we get homozygous and heterozygous combinations. These combinations appear in the following ratio
1(homozygous dominant): 2(heterozygotes):1 (homozygous recessive).
Thus the genotypic ratio of a monohybrid cross is 1:2:1

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