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
[{'content': 'All of the following are autosomal dominant disorder except? \nSelect and explain. \nA. Von hippel lindau disease, B. Achondroplasia, C. Duchenner muscular dystrophy, D. Multiple endocrine neoplasia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Duchenne muscular dystrophy is x linked recesive disorder.', 'role': 'assistant'}]