DNA fingerprinting is based on possessing in DNA of: (A) Constant tandem repeat, (B) Variable number tandem repeats, (C) Non-repetative sequence, (D) Exon
Answer is B. These are tandem repeatsThese are sho sequence of DNA located at scattered sites The no. Of these repeat units varies from person to person but is it unique for paicular personProbability of similarity between two people is only 1 in 3*10^10 personsRef: DM Vasudevan, 7th edition, page no: 637