If two carriers of the defective CFTR gene have a child,what is the probability that the child will have cystic fibrosis?

Question

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 their child will inherit both defective genes and have cystic fibrosis.

If Two Carriers of the Defective CFTR Gene Have a Child,what