All Genetic Mutations Resulting in Familial Thoracic Aortic Aneurysms and Dissections

Multiple Choice

All genetic mutations resulting in familial thoracic aortic aneurysms and dissections (TAAD) appear to be inherited in an autosomal dominant manner. What is the risk that parents, siblings, and offspring of a proband will be affected?

A) 25%
B) 50%
C) 75%
D) 100%