Glossary Term

Human Chromosome 23

PCR TermsEN

Definition

The X or Y chromosome in human beings that determines the sex of an individual. Females have two X chromosomes in diploid cells; males have an X and a Y chromosome. The sex chromosomes comprise the 23rd chromosome pair in a human karyotype.

Extended Notes

Source: National Cancer Institute, NCI Thesaurus 26.09d, C33542. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-20. No individual clinical interpretation or human reviewer is asserted.

Also Known As

Chr23Human Chromosome 23Human Sex ChromosomeSex Chromosome