Which of the Following Is True About Marfan Syndrome

Multiple Choice

Which of the following is true about Marfan syndrome?

A) The cause is an autosomal recessive mutation.
B) The affected gene produces a defective form of the protein actin.
C) Connective tissues are weakened.
D) One in 5,000 men are affected.
E) Those affected are often very short and have mental impairments.