What is the probability of two cystic fibrosis carriers having a child with cystic fibrosis? A. 0%
B. 25%
C. 50%
D. 100%

Each time two CF carriers have a child, the chances are: 25 percent (1 in 4).

Therefore, your answer is B.

In my own word cell technology can  lead to advances in the understanding of diseases mechanism and transmission because diseases is very bad

idk but if i had to take an educated guess i’d say a c d