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how many chromosomes does a human have

Humans usually have 46 chromosomes, arranged in 23 pairs in each cell.

  • 22 of these pairs are called autosomes , which are the non‑sex chromosomes.
  • The 23rd pair are the sex chromosomes: typically XX for females and XY for males.
  • You inherit one chromosome of each pair from your biological mother and the other from your biological father.

In short, when someone asks “how many chromosomes does a human have,” the standard answer is: 46 chromosomes in 23 pairs in each typical human cell.

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