Detecting cystic fibrosis

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A child born to parents who are each carrying the faulty CF gene has a one in four chance of being born with CF; a one in two chance of being a carrier, but not having the disease; and a one in four chance of not having CF or being a carrier of the faulty gene.

Testing for CF

Routine genetic screening can identify couples at risk of passing on the CF gene to their children.
A simple sweat test is used to determine whether a child is suffering from CF.

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