Question

Which is the basis of genetic mapping of human genome as well as DNA finger printing?

(1) Polymorphism in RNA sequence

(2) Polymorphism in DNA sequence

(3) Single nucleotide polymorphism

(4) Polymorphism in hnRNA sequence

Answer 1

Answer (2) Polymorphism in DNA sequence

Sol. Polymorphism in DNA sequence is the basis of genetic mapping of human genome as well as DNA fingerprinting.