nondisjunction
Americannoun
noun
Etymology
Origin of nondisjunction
First recorded in 1910–15; non- + disjunction
Vocabulary lists containing nondisjunction
Genetics - Middle School
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Genetics - High School
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The M checkpoint checks for proper separation of sister chromatids and if it fails, then cells may undergo nondisjunction of chromosomes.
From Textbooks ● Jun. 9, 2022
Down Syndrome is a genetic, developmental condition caused by nondisjunction of chromosome 21 during meiosis.
From Textbooks ● Jun. 9, 2022
Aneuploidy results when the gametes have too many or too few chromosomes due to nondisjunction during meiosis.
From Textbooks ● Jan. 1, 2015
The most common cause of trisomy 21 is chromosomal nondisjunction during meiosis.
From Textbooks ● Jun. 19, 2013
The risk of nondisjunction increases with the age of the parents.
From Textbooks ● Apr. 25, 2013
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
