Answer to Question #82976 in Genetics for Josh

Question

In humans, if P represents the dominant allele for extra fingers and toes (polydactyly) and p is the recessive 5-fingered allele, which of these genotypes would indicate a person with five fingers?

Answer 1

A person with five fingers will be homozygous recessive and he can have only one genotype possible- pp.

PP and Pp genotype would indicate polydactyly.