Multiple choice general knowledge

In a normal adult human being, there are ____ pairs of chromosomes.

  1. 21

  2. 22

  3. 23

  4. 24
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C Correct answer
Explanation

Normal human beings possess 23 pairs of chromosomes (46 total chromosomes), comprising 22 pairs of autosomes and one pair of sex chromosomes (XX in females, XY in males). This chromosomal complement is fundamental to human biology and genetics.

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