Select the correct statement regarding $S-$phase of interphase.
$I.$ Occurs between $G_1$ and $G_2$ phase.
$II.$ $DNA$ replication begins in the nucleus.
$III.$ Centrioles duplicate in the cytoplasm.
$IV.$ As $DNA$ is doubled,the number of chromosomes also doubles.

  • A
    $IV$ and $III$
  • B
    $I, II,$ and $III$
  • C
    $II, III$ and $IV$
  • D
    $I, II, III$ and $IV$

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