What are the chances that a couple will have a child with cystic fibrosis if both parents are carriers of the gene?

Question

Quizplus · Accepted Answer

If both parents are carriers of a recessive genetic disorder like cystic fibrosis, their offspring have a 25% (or 1:4) chance of inheriting two copies of the mutated gene, one from each parent. This is the only option among the given choices that matches this probability.

What Are the Chances That a Couple Will Have a Child