Cell Component
X chromosome Audio
X chro·mo·some
Subclass of:
Sex Chromosomes
Definitions related to x chromosome:
  • The female sex chromosome, being the differential sex chromosome carried by half the male gametes and all female gametes in human and other male-heterogametic species.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • The sex chromosome present in both sexes of species in which the male is the heterogametic sex. Two copies of the X chromosome are present in each somatic cell of females and one copy is present in males.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
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