Having a dimple on your chin is determined by a single gene pair.If you inherited one dimple gene and one non-dimple gene from your parents,you could be described as ____________ for this trait.
A)heterozygous
B)homozygous
C)phenotypical
D)genotypical

Question

Quizplus · Accepted Answer

Heterozygous means having two different alleles (variants of a gene) for a particular trait. In this case, having one dimple gene and one non-dimple gene would make the individual heterozygous for the chin dimple trait. Homozygous would mean having two identical alleles for the trait, which doesn't apply in this scenario. Phenotypical refers to an observable characteristic, while genotypical refers to the actual genes an individual possesses, so neither of these choices applies to the question.

Having a Dimple on Your Chin Is Determined by a Single