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 ensures the proper duplication of DNA and if it fails, the cells may undergo nondisjunction of chromosomes.
From Textbooks ● Jun. 9, 2022
Blocking glycolysis in RBCs interrupts the process of mitosis leading to nondisjunction.
From Textbooks ● Jun. 9, 2022
Because they force chromosomes to assume unnatural topologies during meiosis, inversions and translocations are often associated with reduced fertility because of the likelihood of nondisjunction.
From Textbooks ● Jun. 9, 2022
Cells are more likely to make mistakes as we age due to an increase in the nondisjunction of cells during cell division, which is the reason for the occurrence of Down syndrome.
From Textbooks ● Jun. 9, 2022
The most common cause of trisomy 21 is chromosomal nondisjunction during meiosis.
From Textbooks ● Jun. 19, 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.
