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: Forensic Medicine
[{'content': 'Restriction fragment length polymorphism uses the technique of: UP 10; NIMHANS 11 \nSelect and explain. \nA. Southern blotting, B. Nohern blotting, C. Western blotting, D. Eastern blotting', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Southern blotting', 'role': 'assistant'}]