You observe that your friend has dimples. Dimples result from the presence of the dominant gene D; absence of dimples is a homozygous recessive condition (dd). What genotype or genotypes might your friend have?
A) DD only
B) DD or Dd
C) dd only
D) Dd only

Question

Quizplus · Accepted Answer

Since dimples are a dominant trait, your friend could have either one or two copies of the dominant allele (D), making the possible genotypes DD or Dd.

You Observe That Your Friend Has Dimples