The basis of DNA fingerprinting is :

Options

A. occurrence of Restriction Fragment Length Polymorphism (RFLP)
B. phenotypic differences between individuals
C. availability of cloned DNA
D. knowledge of human karyotype

Answer

A

Explanation

The basis of DNA fingerprinting is the occurrence of restriction fragment length polymorphism which are distributed throughout human genome . DNA fingerprinting was developed by a British geneticist Prof. Alec Jeffreys in 1984.
The chromosomes of every human cell contain short , highly repeated 15 nucleotide segments called mini - satellites or variable number tendem repeats scattered through their DNA.