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
DNA fingerprinting can be done with all, except: UP 07; Delhi 08; NEET 13 
Select and explain. 
A. RBC, B. WBC, C. Saliva, D. Spermatozoon
A: RBC
Answer: A: RBC 
Explanation: Ans. RBC