Question

When a homozygous dominant individual mates with a homozygous recessive individual, what percent of their offspring will be heterozygous?

Answer 1

Answer: 100%

Explanation: In completing a punnet square cross of a homozygous dominant individual (AA) with a homozygous recessive individual (aa), you get the genotypic ratio of 100% heterozygous (Aa) from AA x aa.

A A

a Aa Aa

a Aa Aa