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nondisjunction

One entry found for nondisjunction.
Main Entry: non·dis·junc·tion
Pronunciation: "nän-dis-'j&[ng](k)-sh&n
Function: noun
Etymology: International Scientific Vocabulary
: 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
- non·dis·junc·tion·al /-shn&l, -sh&-n&l/ adjective