03-25-2015, 05:02 AM
NBME 4 Q.
A couple seeks genetic counseling following the recent diagnosis of cystic fibrosis in their youngest child . Their two older children are healthy and have normal sweat chloride test results. Which of the following is the likelihood that each of the unaffected children is carrier of CF ?
A- 1 in 2
B- 1 in 3
C- 1 in 4
D- 2 in 3
E- 3 in 4
A couple seeks genetic counseling following the recent diagnosis of cystic fibrosis in their youngest child . Their two older children are healthy and have normal sweat chloride test results. Which of the following is the likelihood that each of the unaffected children is carrier of CF ?
A- 1 in 2
B- 1 in 3
C- 1 in 4
D- 2 in 3
E- 3 in 4
Thanks u