This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'Deficiency of lysyl hydroxylase causes? \nSelect and explain. \nA. Alpo syndrome, B. Menkes disease, C. Epidermolysis bullosa, D. Osteogenesis imperfecta', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Alpo syndrome is caused by mutation in the collagen genes COL4A3 and COL4A6.Epidermolysis bullosa dystrophica is due to mutation in the collagen gene COL7A1.Osteogenesis imperfecta is caused by mutations in COL1A1 and COL1A2', 'role': 'assistant'}]