Question

Located on the x chromosome of a cat is a gene that codes for deafness. This gene is recessive. A female cat that is heterozygous for deafness is crossed with a male cat that is not deaf. What are the genotypes and phenotypes of the offspring?

Genotypes:
Phenotypes:

Answer 1

Answer: draw a punnett square to help you

Genotypes: 50% DD 50% Dd

Phenotypes: 50% normal 50% carriers

None of the cats are deaf (unless they are male, they can have a chance of getting it)