Question

Martha has a widow's peak (dominant trait) and attached earlobes (recessive trait). Martha's dad had a straight hairline and unattached earlobes. If Martha marries a man that is heterozygous for both traits, what is the probability that they will have a child with a widow's peak and attached earlobes

Answer 1

There is a 25% percent chance that the child will have unattached earlobes, and a 50% percent chance that the child will have a widows peak.

Step-by-step explanation: