This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
All are autosomal recessive EXCEPT: September 2004 
Select and explain. 
A. Sickle cell anemia, B. Phenylketonuria, C. Marfan's syndrome, D. Wilson's disease
C: Marfan's syndrome
Answer: C: Marfan's syndrome 
Explanation: Ans. C i.e. Marfan's syndrome Marfan syndrome is a disorder of connective tissue, manifested principally by changes in the skeleton, eyes, and cardiovascular system. It is transmitted by autosomal dominant inheritance.