$A$ - Transformation is a procedure through which a piece of $DNA$ is introduced in a host bacterium.
$R$ - With the help of $PCR$,thousands of $DNA$ copies are formed.

  • A
    $A$ and $R$ both are correct.
  • B
    $A$ and $R$ both are incorrect.
  • C
    $A$ is correct,$R$ is incorrect.
  • D
    $A$ is incorrect,$R$ is correct.

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