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: Physiology
[{'content': "X - linked inheritance of alport's syndrome is due to mutation of _________ \nSelect and explain. \nA. COL4A5 gene, B. COL4B6 gene, C. COL3A5 gene, D. COL4A3 gene", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Mutation of COL4A5 gene\xa0⇒ X - linked inheritence\nMutation of COL4A3 ,COL4A4 gene\xa0⇒ Autosomal\xa0inheritence', 'role': 'assistant'}]