09-08-2004, 04:04 AM
pern
About 5% of individuals in a particualr population are known to carry a recessive gene for poliodystrophy, an inherited disorder characterized by recurrent seizures and dementia with onset in early childhood. A 32-year-old healthy woman who had a brother with this disorder seeks genetic counseling. The patient's husband, an only child, does not know if his family has a history of the disorder. What is the probability that BOTH tha patient and her husband are carriers?
A- 1/20
B- 1/30
C- 2/3
D- 3/4
E- 3/8
About 5% of individuals in a particualr population are known to carry a recessive gene for poliodystrophy, an inherited disorder characterized by recurrent seizures and dementia with onset in early childhood. A 32-year-old healthy woman who had a brother with this disorder seeks genetic counseling. The patient's husband, an only child, does not know if his family has a history of the disorder. What is the probability that BOTH tha patient and her husband are carriers?
A- 1/20
B- 1/30
C- 2/3
D- 3/4
E- 3/8