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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

nondisjunctional

play \ˌnän-dis-ˈjəŋ(k)-shnəl, -shə-nəl\ adjective

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nondisjunction

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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

nondisjunctional

\-shnəl, -shən-əl\play adjective

Learn More about nondisjunction

  1. Britannica.com: Encyclopedia article about nondisjunction

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