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': "Mutation in Marfan's syndrome involves? \nSelect and explain. \nA. Collagen I, B. Collagen IV, C. Fibrillin I, D. Fibrillin II", 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Fibrillin IMarfan syndrome results from inherited defect in an extracellular glycoprotein fibrillin - 1 on chromosome - 15. It has autosomal dominant inheritance.", 'role': 'assistant'}]