$X-$ It is very important for the process of evolution.
$Y-$ Crossing over is the exchange of genetic material between two homologous chromosomes.

  • A
    Both are true for mitosis.
  • B
    Both are true for meiosis.
  • C
    $X$ is true for mitosis,$Y$ is true for meiosis.
  • D
    $X$ is true for meiosis,$Y$ is true for mitosis.

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