nondisjunction

noun
non·​dis·​junc·​tion | \ ˌnän-dis-ˈjəŋ(k)-shən How to pronounce nondisjunction (audio) \

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 How to pronounce nondisjunction (audio) , -​shə-​nᵊl \ adjective

First Known Use of nondisjunction

1913, in the meaning defined above

History and Etymology for nondisjunction

International Scientific Vocabulary

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The first known use of nondisjunction was in 1913

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Cite this Entry

“Nondisjunction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nondisjunction. Accessed 1 Mar. 2021.

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More Definitions for nondisjunction

nondisjunction

noun
non·​dis·​junc·​tion | \ ˌnän-dis-ˈjəŋ(k)-shən How to pronounce nondisjunction (audio) \

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 How to pronounce nondisjunction (audio) \ adjective

More from Merriam-Webster on nondisjunction

Britannica.com: Encyclopedia article about nondisjunction

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