How many chromosomes are present in an unfertilized egg

  • A

    $22$ autosomes and one sex chromosome

  • B

    $22$ pairs of autosomes and one sex chromosome

  • C

    $44$ autosomes and one pair of sex chromosome

  • D

    Total $22$ chromosomes

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Which of the following structures are present in core particle of nucleosome?

$A$ : $SNPs$-pronounced "snips" are common in human genome.
$R$ : It is minute variations that occurs at a frequency of one in every $300$ bases

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