M Prep | MCAT 2015 Question of the Day - Prep, Practice Questions, and More!

Q:

Cystic fibrosis has been studied at length and has been found to be a recessive genetic disorder. A female with cystic fibrosis has three children with a male who is a carrier of the cystic fibrosis gene. Which of the following correctly lists the probability that all three children are carriers of the cystic fibrosis gene, but do not have the disease?

A

0%

B

12.5%

C

25%

D

100%