Sergei always wanted to have a nose with a hump, like his dad’s (dominant feature (A)). But his nose is straight, like mom’s
September 14, 2020 | Education
| Sergei always wanted to have a nose with a hump, like his dad’s (dominant feature (A)). But his nose is straight, like mom’s. Determine the genotypes of family members for the indicated trait.
Because the son (Sergey) has a straight nose, and the dad has a crooked nose, which means the father is heterozygous (Aa) by trait.
Answer: Mother – aa; father – Aa; son (Sergey) – aa.
