Which of the Following is Not an Autosomal Recessive Disorder

Question

Which of the following is not an autosomal recessive disorder?
A) Marfan syndrome
B) Tay-Sachs disease
C) cystic fibrosis
D) sickle-cell disease
E) All are autosomal recessive disorders.

Accepted Answer

Marfan syndrome is an autosomal dominant disorder.