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Megan Has a Widow's Peak (Dominant Trait) and Attached Earlobes

Question 37

Multiple Choice

Megan has a widow's peak (dominant trait) and attached earlobes (recessive trait) . Megan's dad has a straight hairline and unattached earlobes. If Megan 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?


A) 1/16
B) 3/8
C) 1/4
D) 1/2
E) 3/4

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