Predict the possibility of an offspring with a widow's peak, a dominant inherited trait affecting the hairline, when both parents are heterozygous for the trait.
A) 25% of the offspring will have a widow's peak.
B) 0% of the offspring will have a widow's peak.
C) 75% of the offspring will have a widow's peak.
D) 100% of the offspring will have a widow's peak.

Question

Quizplus · Accepted Answer

When both parents are heterozygous (Ww) for a dominant trait, the offspring have a 75% chance of inheriting at least one dominant allele (WW or Ww) and thus expressing the dominant trait, such as a widow's peak.

Predict the Possibility of an Offspring with a Widow's Peak