Sugar
Phosphate
Sugar
Phosphate
Base
Sugar
Base
n
Base
Rationalised 2023-24
300
Chemistry
Har Gobind Khorana
DNA Fingerprinting
It is known that every individual has unique fingerprints These occur at the tips of
the fingers and have been used for identification for a long time but these can be
altered by surgery A sequence of bases on DNA is also unique for a person and
information regarding this is called DNA fingerprinting It is same for every cell and
cannot be altered by any known treatment