When one of two parents is a carrier for a ______________ (e.g., cystic fibrosis), there is a 25% chance that their offspring will inherit the disease.

Question

Quizplus · Accepted Answer

When one parent is a carrier of a recessive disease allele, there is a 25% chance that their offspring will inherit the disease if the other parent is also a carrier. This is because the child must inherit two copies of the recessive allele (one from each parent) to express the disease.

When One of Two Parents Is a Carrier for a ______________