The somatic chromosome complement in all human beings is

  • A
    $21$ pairs of autosomes and one pair of heterosomes
  • B
    $23$ pairs of autosomes and one pair of heterosomes
  • C
    $22$ pairs of autosomes and one pair of heterosomes
  • D
    $22$ pairs of autosomes and one pair of $XY$ chromosomes

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