Wendy's mother has blue eyes and her father has brown eyes. The allele for brown eye color is dominant (B) to the allele for blue eye color (b), but Wendy has blue eyes. Therefore, Wendy's ________ must be ________ and her father's must be Bb.

Question

Quizplus · Accepted Answer

Wendy's genotype must be bb because she has blue eyes, which is a recessive trait. This means both of her parents must have contributed a b allele. Her father must be heterozygous (Bb) to have brown eyes but still carry the allele for blue eyes.

Wendy's Mother Has Blue Eyes and Her Father Has Brown