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

Other Words from nondisjunction

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

First Known Use of nondisjunction

1913, in the meaning defined above

History and Etymology for nondisjunction

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The first known use of nondisjunction was in 1913

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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

Other Words from nondisjunction

nondisjunctional \-shnəl, -shən-ᵊl \ adjective

More from Merriam-Webster on nondisjunction

Britannica.com: Encyclopedia article about nondisjunction

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