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: Microbiology
[{'content': 'Drug resistance in Tuberculosis is due to ? \nSelect and explain. \nA. Transformation, B. Transduction, C. Conjugation, D. Mutation', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Mutation", 'role': 'assistant'}]