A healthy young couple are both carriers of cystic fibrosis,the chance that each of their future children will inherit this serious illness is:

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Quizplus · Accepted Answer

Cystic fibrosis is an autosomal recessive disorder, meaning a child must inherit two copies of the defective gene (one from each parent) to have the disease. If both parents are carriers, there is a 25% chance for each child to inherit both defective genes and have cystic fibrosis.

A Healthy Young Couple Are Both Carriers of Cystic Fibrosis,the