SINCE 1828

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nondisjunction

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

Definition of nondisjunction

: 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

Origin and Etymology of nondisjunction

International Scientific Vocabulary

NEW! Time Traveler

First Known Use: 1913

See Words from the same year

Medical Dictionary

nondisjunction

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

medical Definition of nondisjunction

: 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 \-shnəl, -shən-ᵊl\ adjective

Learn More about nondisjunction

Britannica.com: Encyclopedia article about nondisjunction

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