After genetic testing, the fetus is found to have cystic fibrosis. What do you tell the couple about the disorder?

 

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Correct

- They have a ¼ chance of having another child with the disease.

- Children rarely live past 5 years of age.

- It is an autosomal dominant disorder.

- Males are more often affected than females.

Rationale

The disorder is autosomal recessive so ¼ of all children are affected. Males and females are equally affected. Due to advances in medical care, children can live to adulthood in most cases.

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