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nondisjunction

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noun non·dis·junc·tion \ˌnän-dis-ˈjəŋ(k)-shən\

Definition of nondisjunction

  1. :  failure of homologous chromosomes or sister chromatids to separate subsequent to metaphase in meiosis or mitosis so that one daughter cell has both and the other neither of the chromosomes

non·dis·junc·tion·al play \-shnəl, -shə-nəl\ adjective


Origin of nondisjunction

International Scientific Vocabulary


First Known Use: 1913


Medical Dictionary

nondisjunction

play
noun non·dis·junc·tion \ˌnän-dis-ˈjəŋ(k)-shən\

Medical Definition of nondisjunction

  1. :  failure of homologous chromosomes or sister chromatids to separate subsequent to metaphase in meiosis or mitosis so that one daughter cell has both and the other neither of the chromosomes

  2. non·dis·junc·tion·al \-shnəl, -shən-əl\play adjective




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