asked 235k views
3 votes
Cystic fibrosis is an autosomal recessive disorder that affects lung function in humans. a man and a woman are both unaffected heterozygous carriers of a cystic fibrosis gene. if the couple has two children, what is the probability that their first child will be unaffected and their second child will be unaffected?

asked
User Nhan Cao
by
7.9k points

1 Answer

3 votes
the probability is 3/4 * 3/4 or 9/16
answered
User Ddiez
by
8.9k points
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