A couple wants to start a family, but they are concerned that their child might have cystic fibrosis. After taking a family history, you determine that while neither of them has the disease, the woman had a sister with cystic fibrosis (with unaffected parents), and the man's father also had cystic fibrosis. What do you tell them?

Question

A couple wants to start a family, but they are concerned that their child might have cystic fibrosis. After taking a family history, you determine that while neither of them has the disease, the woman had a sister with cystic fibrosis (with unaffected parents), and the man's father also had cystic fibrosis. What do you tell them?

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The Answer of A couple wants to start a family, but they are concerned that their child might have cystic fibrosis. After taking a family history, you determine that while neither of them has the disease, the woman had a sister with cystic fibrosis (with unaffected parents), and the man's father also had cystic fibrosis. What do you tell them?

A Couple Wants to Start a Family, but They Are