Question by bonu57: is any good with genetics?
two individuals, both of whom are carriers for cystic fibrosis (a recessively inherited disorder), produce 3 children together, and none of these children has cystic fibrosis. What is the probability that the couple’s fourth child will be born with cystic fibrosis?

Most detailed answer:

Answer by Kyle R
1/4 from the cross Aa x Aa will be aa.

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