This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Musculoskeletal  disorders, Subject name: Pediatrics
[{'content': 'The mode of inheritance of Duchenne muscular dystrophy is \nSelect and explain. \nA. Autosomal dominant, B. Autosomal recessive, C. X-linked dominant, D. X-linked recessive', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Duchene muscular dystrophy is a X linked recessive disorder. Gait disturbances is commonly seen and calf muscle pseudo hyperophy is also seen', 'role': 'assistant'}]