A Healthy Young Couple Are Both Carriers of Cystic Fibrosis;

question 37

Multiple Choice

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

• A) More information is needed about the couple's parents and grandparents to determine probability.
• B) 25%.
• C) 0%, because cystic fibrosis is not an inherited illness.
• D) 50%.
• E) 100%, because both parents are identified as carriers of cystic fibrosis.

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