nondisjunction
the failure of chromosomes to separate and segregate into daughter cells at division.
Origin of nondisjunction
1Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use nondisjunction in a sentence
Non-disjunction as proof of the chromosome theory of heredity.
Sex-linked Inheritance in Drosophila | Thomas Hunt MorganThis is shown even more strikingly by the phenomenon known as secondary non-disjunction.
Sex-linked Inheritance in Drosophila | Thomas Hunt MorganDirect proof through non-disjunction that the sex-linked gens of Drosophila are borne by the X chromosome.
Sex-linked Inheritance in Drosophila | Thomas Hunt Morgan
British Dictionary definitions for nondisjunction
/ (ˌnɒndɪsˈdʒʌŋkʃən) /
the failure of paired homologous chromosomes to move to opposite poles of the cell during meiosis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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