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
Study of finger printing is: 
Select and explain. 
A. DNA finger printing, B. Dactylography, C. Gene analysis, D. Poroscopy
B: Dactylography
Answer: B: Dactylography 
Explanation: B i.e. Dactylography