Question
What is DNA fingerprinting? Explain it in brief. Where is this technique used? Give any two examples. 

Answer

  • As the fingerprints are unique for every individual, similarly the nucleotide sequence in the DNA molecule is also unique.
  • By knowing this sequence, one can find out the identity of any person. Such technique to establish the identity of a person by taking into consideration the nucleotide sequence is called DNA fingerprinting.
  • Its main use is in forensic sciences to confirm the identity of the criminal.
  • Similarly, identity of parents in case of disputed parentage for any child can be understood by taking DNA fingerprints of both the parents and a child.

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