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A member asked:

Can a carrier of the cystic fibrosis gene ever be symptomatic?

A doctor has provided 1 answer

Autosomal recessive: CF is an autosomal recessive genetic disorder. Complete expression of the disease (symptoms) do not typically occur in people who do not have both copies of the defective gene (carriers only have one).

Dr Ferguson and 4 doctors agreed

Answered 10/27/2017

3.5k views

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Is there a resource out there that discusses the different cystic fibrosis gene mutations & which symptoms are associated with each one?

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A friend just had the Cystic Fibrosis gene mutation blood panel done for 23 most common plus 9 rare mutations of CF, 32 total, all negative. Does this mean he is CF free and can safely have a child? I'm curious as to what these results actually mean?

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