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': 'DNA fingerprinting was discovered by: PGI 06 \nSelect and explain. \nA. Southern, B. Galion, C. Crick, D. Jeffery', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. Jeffery', 'role': 'assistant'}]