nondisjunction

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Related to Meiotic nondisjunction: Mitotic nondisjunction

nondisjunction

[¦nän′dis‚jaŋk·shən]
(genetics)
Failure of homologous chromosomes to separate symmetrically during cell division, with both ending up in the same daughter cell instead of in each daughter cell.
References in periodicals archive ?
Edwards syndrome occurs because of meiotic nondisjunction.
Increased frequencies of meiotic nondisjunction have been reportedfrom female Robertsonian heterozygotes in humans and Mus (Gropp and Winking 1981; Redi and Capanna 1988; Searle 1988; Garagna et al.
8a] indicated that induced abnormalities could be obtained due to the effect on meiotic nondisjunction Rizwan et al.