A woman who is a carrier for the CF gene marries a man who is also a carrier of the gene. They come in to see you because they are trying to get pregnant and want to know the likelihood of having an offspring with CF. What will you tell them?

Question

Quizplus · Accepted Answer

CF is inherited in an autosomal recessive pattern. If both parents are carriers, the risk of inheriting the CFTR mutation and developing CF is 25%, or 1 in 4.

A Woman Who Is a Carrier for the CF Gene