You notice that both of your parents have a widow's peak that is determined by the dominant allele W. You however, have a straight hairline, which is a homozygous recessive condition (ww). What are the possible genotypes of your parents?
A) Ww and Ww
B) WW and Ww
C) ww and ww
D) WW and WW

Question

Quizplus · Accepted Answer

Since you have a straight hairline (ww), both of your parents must have at least one recessive allele (w) to pass on to you, making them heterozygous (Ww).

You Notice That Both of Your Parents Have a Widow's