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: Medicine
For measurement of long DNA molecules (50-100 KB) following is used 
Select and explain. 
A. Chromosome walking, B. Nitch, C. RFLP, D. SSLP
C: RFLP
Answer: C: RFLP 
Explanation: C i.e. RFLP