Freckles are caused by a dominant allele. A man has freckles but one of his parents does not have freckles. What is the man's genotype?
A) homozygous dominant
B) homozygous recessive
C) heterozygous
D) heterologous
E) homologous

Question

Quizplus · Accepted Answer

The man must be heterozygous because he has freckles (showing the dominant trait) but has a parent without freckles, indicating he carries one recessive allele.

Freckles Are Caused by a Dominant Allele