What is the expected genotypic ratio resulting from a heterozygous x heterozygous monohybrid cross?

1 Answer
Dec 8, 2016

The expected genotypic ratio is 1 homozygous dominant : 2 heterozygotes : 1 homozygous recessive.

Explanation:

Doing a Punnett square helps:

      H  h

H HH Hh
h Hh hh

Where the parents genotypes are shown on the sides and the offspring's phenotypes are shown in the middle.