nondisjunction(redirected from Nondisjunction, genetic)
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The failure of paired chromosomes or sister chromatids to separate and go to different cells during meiosis.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Genetics) the failure of paired homologous chromosomes to move to opposite poles of the cell during meiosis
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|Noun||1.||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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