This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inborn Errors of Metabolism, Subject name: Pediatrics
Only males are affected in: 
Select and explain. 
A. Scheie's syndrome, B. Hunter's syndrome, C. Hurler's syndrome, D. Gaucher's disease
B: Hunter's syndrome
Answer: B: Hunter's syndrome 
Explanation: b. Hunter's syndrome(Ref: Nelson's 20/e p 737-743, Ghai 8/e p 661)As Hunter's disease is a X linked recessive, males are mostly affected by it.