What is the probability that their child will be a carrier

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A young couple went to see a genetic counselor because each had a sibling affected with cystic fibrosis. (Cystic fibrosis is a recessive disease, and neither member of the couple nor any of their four parents is affected.)

a. What is the probability that the female of this couple is a carrier?
b. What are the chances that their child will be affected with cystic fibrosis?
c. What is the probability that their child will be a carrier of the cystic fibrosis mutation?

Reference no: EM13111275

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