What do you know about a person who has a recessive allele for a particular trait but who does not show that trait?
A) He or she is heterozygous for that trait.
B) His or her alleles are codominant.
C) Two recessive alleles are present.
D) A gene mutation has occurred.

Question

Quizplus · Accepted Answer

A person with a recessive allele for a particular trait but who does not show that trait is most likely heterozygous (having one dominant allele and one recessive allele) for that trait. This is because the dominant allele masks the expression of the recessive allele, resulting in the person not showing the trait.

What Do You Know About a Person Who Has a Recessive