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': 'Study of finger printing is: \nSelect and explain. \nA. DNA finger printing, B. Dactylography, C. Gene analysis, D. Poroscopy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Dactylography', 'role': 'assistant'}]