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 only
C)Dd only
D)DD or Dd

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