Question

Genotypic ratio of monohybrid cross for F2 generation is _____.

• A. 3:1
• B. 2:1
• C. 1:2:1
• D. 1:1

Answer 1

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