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: Biochemistry
DNA fingerprinting is based on possessing in DNA of - 
Select and explain. 
A. Constant Tandem Repeat, B. Variable Number Tandem Repeats (VNTR), C. Non-repeatative sequence, D. Exon
B: Variable Number Tandem Repeats (VNTR)
Answer: B: Variable Number Tandem Repeats (VNTR) 
Explanation: Variable number of tandem (one after another) repeats (VNTR), is unique for any individual & therefore serves as molecular DNA fingerprint. VNTR may be short tandem (microsatellite) or large tandem (minisatellite) repeats.