This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Musculo Skeletal Disorders, Subject name: Pediatrics
About Duchenne muscular dystrophy-false statement is: 
Select and explain. 
A. Becker's dystrophy more severe, B. X-linked recessive, C. Cardiomyopathy, D. Mental retardation common
A: Becker's dystrophy more severe
Answer: A: Becker's dystrophy more severe 
Explanation: a. Becker's dystrophy more severe(Ref: Nelson's 20/e p 2915-2985, Ghai 8/e p 595-597)Becker's dystrophy is a less severe variant of Duchenne muscular dystrophy.