For people, curly hair is dominant and straight hair is recessive. Mom and Dad both have curly hair, and their first child has straight hair. What does this tell us about Mom and Dad?
A) One of them has a gene for straight hair.
B) Both of them have a gene for straight hair.
C) One of them has two genes for straight hair.
D) Both of them are homozygous for curly hair.
Correct Answer:
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