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XO

Topics referred to by the same term From Wikipedia, the free encyclopedia

Xo or XO may refer to:

Arts, media, and entertainment

Music

Songs

Food and drink

Science and technology

Computing and electronics

Biology

  • XO sex determination system, a chromosomal system used to designate sex of some species of insects, arachnids, and mammals
    • XO, heterogametic male designation under this system
  • Turner syndrome, a genetic condition in which one of the sex chromosomes is absent
  • Xanthine oxidase, an enzyme that catalyzes the oxidation of hypoxanthine to xanthine

Other uses

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