nondisjunction
(redirected from Non-disjunction)

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non·dis·junc·tion (n

s-j

ngk

The failure of paired chromosomes or sister chromatids to separate and go to different cells during meiosis.

nondis·junction·al adj.

nondisjunction [ˌnɒndɪsˈdʒʌŋkʃən]

(Life Sciences & Allied Applications / Genetics) the failure of paired homologous chromosomes to move to opposite poles of the cell during meiosis

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Noun

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

meiosis, miosis, reduction division - (genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants)

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nondisjunction (redirected from Non-disjunction)

nondisjunction
(redirected from Non-disjunction)