The gene that codes for the number of fingers on the human hand has two alleles-five fingers and six fingers. The letters F and f are used to represent this trait. Having five fingers is the recessive trait. A woman has six fingers, but one of her parents has five fingers. What is the genotype of the woman?

Question

Quizplus · Accepted Answer

Since the woman has six fingers and one of her parents has five fingers, she must have inherited one dominant allele (F) for six fingers and one recessive allele (f) for five fingers, making her genotype Ff.

The Gene That Codes for the Number of Fingers on the Human