02-01-2007, 08:39 AM
A man whose brother has cystic fibrosis wants to know his risk of having an affected child. The prevalence of cystic fibrosis is 1 in 1600 individuals. Which of the following is the risk in this case?
A.1/8
B.1/16
C.1/60
D.1/120
E.1/256
A.1/8
B.1/16
C.1/60
D.1/120
E.1/256