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A 38-year-old member asked:

Is cystic fibrosis autosomal dominant in genetics?

2 doctor answers13 doctors weighed in
Dr. Judy Orton
Pediatrics 36 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.
Dr. Mark Diamond
Pediatrics 47 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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Last updated Aug 20, 2013


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