Definition of nondisjunction Nondisjunction
non•dis•junc•tion
We found 2 definitions of nondisjunction from 2 different sources.
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What does nondisjunction mean?
WordNet
NounPlural: nondisjunctions |
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| nondisjunction - meiosis in which there is a failure of paired homologous chromosomes to separate; results in an abnormal number of chromosomes in the daughter cells |
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Wiktionary 
- nondisjunction (Noun)
The failure of chromosome pairs to separate properly during meiosis.
