Cystic Fibrosis Trait A Healthy Couple Has A Child With Cystic Fibrosis. Remember That Cystic Fibrosis Is A Recessive Human Trait...

A healthy couple has a child with cystic fibrosis. Remember that cystic fibrosis is a recessive human trait... - cystic fibrosis trait

... What is the probability that the next child with cystic fibrosis?
A. 75%
B. 50%
C. 100%
D. 25%
E. 0%