This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Pediatrics
[{'content': 'The X-linked dominant one is \nSelect and explain. \nA. Fragile X syndrome, B. Vitamin D resistant rickets, C. Duchenne muscular dystrophy, D. Myotonic dystrophy', 'role': 'user'}, {'content': "Answer: B \nExplanation: (B) Vitamin D resistant rickets # X-linked Dominant:; Amelogenesis imperfects; Bipolar depressive psychosis; Goltz's syndrome; hypophosphatemia; Oral-facial- digital syndrome; Vitamin D resistant rickets.", 'role': 'assistant'}]