nondisjunction

[ non-dis-juhngk-shuhn ]

nounBiology.
  1. the failure of chromosomes to separate and segregate into daughter cells at division.

Origin of nondisjunction

1
First recorded in 1910–15; non- + disjunction

Words Nearby nondisjunction

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British Dictionary definitions for nondisjunction

nondisjunction

/ (ˌnɒndɪsˈdʒʌŋkʃən) /


noun
  1. the failure of paired homologous chromosomes to move to opposite poles of the cell during meiosis

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