What is the first step in the Southern blot technique ?

  • [AIIMS 2004]
  • [AIIMS 2008]
  • A

    Denaturation of $DNA$ on the gel for hybridization with specific probe

  • B

    Production of a group of genetically identical cells

  • C

    Digestion of $DNA$ by restriction enzyme

  • D

    Denaturation of $DNA$ from a nucleated cell such as the one from the scene of crime

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  • [NEET 2022]