08-31-2009, 08:24 PM
A man with a history of hyperextensible joints and aortic insufficiency presents for a genetic screening. He is discovered to have a homozygous defect in the gene that encodes the glycoprotein fibrillin. What are the chances that his son will have the same disease?
A. 0%
B. 20%
C. 50%
D. 80%
E. 100%
A. 0%
B. 20%
C. 50%
D. 80%
E. 100%