[ non-dis-juhngk-shuh n ]
/ ˌnɒn dɪsˈdʒʌŋk ʃən /
the failure of chromosomes to separate and segregate into daughter cells at division.
CHALLENGE YOURSELF WITH THIS MIDDLE SCHOOL PART OF SPEECH QUIZ!
How well do you know your adjectives from your adverbs? Your preposition from your pronouns? Your interjections from your conjunctions? Let’s put your knowledge of parts of speech to the text! Note: Many of the following questions will ask you to identify the parts of speech “in order.” That means the first word in all capital letters will correspond to the first option in an answer, and so on.
Question 1 of 10
In order, what parts of speech are the words in all capital letters? Alisa was VERY tired, SO she decided to go to bed.
Words nearby nondisjunction
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for non-disjunction
Non-disjunction as proof of the chromosome theory of heredity.Sex-linked Inheritance in Drosophila|Thomas Hunt Morgan
British Dictionary definitions for non-disjunction
/ (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
Medical definitions for non-disjunction
[ nŏn′dĭs-jŭngk′shən ]
The failure of one or more pairs of chromosomes to separate at the miotic stage of karyokinesis, with the result that both chromosomes are carried to one daughter cell and none to the other.
Other words from nondisjunctionnon′dis•junc′tion•al adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.