In a gene pool, along with beneficial mutations those mutations also exists which are damaging to an individual. It has been found that these mutations are irreversible because

$I.$ they have survival value

$II.$ they are acquired

$III.$ they are recessive and carried by heterozygous individuals only

$IV.$ they show genetic drift

Choose the incorrect option for given statement

  • A

    $I$ and $III$

  • B

    $I$ and $II$

  • C

    $II$ and $IV$

  • D

    Only $III$

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