Hemophilia is a sex-linked trait. The X^N allele codes for normal blood clotting and the X^n allele codes for hemophilia. What are the genotypes of a carrier female and a normal male?
a. X^N X^n and X^N X^N
b. X^N X^N and X^N Y
c. X^N X^n and X^N Y
d. X^N X^N and X^n Y
Answer: c. X^N X^n and X^N Y
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