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Body cells have "pairs" of chromosomes while sex cells have only single sets of chromosomes. The human body cells have 22 pairs of autosomes and 1 pair of sex chromosomes for a total of 23 pairs or 46 chromosomes.

But sex cells (sperm or ovum, known as gametes or diploid cells) contain only 23 chromosomes (unpaired), when they meet (forming a Zygote), the 23 from each male and female gamete form a cell containing 46 chromosomes to make a Haploid cell.

Normal body cells (known as a haploid cells) contain 46 chromosomes (or 23 pairs of chromosomes).

There are genetic diseases/disorders such as Down's syndrome that occasionally have one more.
Normally, 46. Unless aneuploidy occurs.
46 Chromosomes in human body

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9y ago

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