A 38-year-old member asked:

Is cystic fibrosis autosomal dominant in genetics?

2 doctor answers • 13 doctors weighed in

Dr. Judy Ortonanswered

Pediatrics 37 years experience

Recessive: Both parents must carry the gene with a 25% chance (1:4) with each conception that the baby will have cystic fibrosis.

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Dr. Alan Ali

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Dr. Mark Diamond

Dr. Alan Ali and 9 doctors agree10 doctors agree

Dr. Mark Diamondanswered

Pediatrics 48 years experience

No: It is a recessive gene that both parents must carry in order to pass it on. The chances are 1 out 4 pregnancies in having a child with cf.

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Dr. Martin Raff

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Last updated Aug 20, 2013

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