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Haploid Cell


Haploid Cell

Lilly Anther Cell. In meiosis, four haploid cells are produced from one diploid parent cell.

© Jon C. Glase
Definition: A haploid cell is a cell that contains one complete set of chromosomes. Gametes are haploid cells that are produced by meiosis.
The haploid number is the number of chromosomes within the nucleus of a cell that constitutes one complete chromosomal set. This number is commonly abbreviated as n, where n stands for the number of chromosomes. The haploid number will be different for different organisms. In humans, the haploid number is expressed as n=23.

Haploid human cells have 1 set of 23 chromosomes:
  • Autosomal chromosomes (non-sex chromosomes): 22 sets.

  • Sex chromosomes: 1 set.
Diploid human cells have 2 sets of 23 chromosomes for a total of 46 chromosomes:
  • Autosomal chromosomes: 22 sets of 2.

  • Sex chromosomes: 1 set of 2.
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