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Nondisjunction

Synonym(s)

  • nondisjunction, genetic

Definition(s)

The failure of homologous CHROMOSOMES or CHROMATIDS to segregate during MITOSIS or MEIOSIS with the result that one daughter cell has both of a pair of parental chromosomes or chromatids and the other has none.

Definition from: Unified Medical Language SystemThis link leads to a site outside Genetics Home Reference. (MeSH)   at the National Library of Medicine

Related discussion in the Handbook

 
Published: January 23, 2009