nondisjunction
noun
non·dis·junc·tion
ˌnän-dis-ˈjəŋ(k)-shən
: 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
Cite this Entry
“Nondisjunction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nondisjunction. Accessed 30 Mar. 2025.
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