asked 159k views
5 votes
A woman who is a carrier for hemophilia, a sex-linked recessive trait, marries a man who is normal. If they have a son, what is the probability that the son will have hemophilia?

asked
User Brie
by
8.0k points

1 Answer

2 votes

Answer AND Explanation:

Let H be for normal blood clotting gene.

XH Xh

XH XHXH XHXh

Y XHY XhY

The probability of the couple having a hemophilia sex-linked trait is 25% and 75% for normal children.

answered
User Courtnay
by
7.9k points
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