The probability of producing a child who suffers from cystic fibrosis by two parents who are carriers for the autosomal recessive disorder is

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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 with each pregnancy that the child will inherit both recessive alleles and have cystic fibrosis.

The Probability of Producing a Child Who Suffers from Cystic