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Definition of Nondisjunction
1. Noun. Meiosis in which there is a failure of paired homologous chromosomes to separate; results in an abnormal number of chromosomes in the daughter cells.
Definition of Nondisjunction
1. Noun. (genetics) The failure of chromosome pairs to separate properly during meiosis ¹
¹ Source: wiktionary.com
Definition of Nondisjunction
1. [n -S]
Medical Definition of Nondisjunction
1.
Lexicographical Neighbors of Nondisjunction
Literary usage of Nondisjunction
Below you will find example usage of this term as found in modern and/or classical literature:
1. Fluoride in Drinking Water: A Scientific Review of EPA's Standards by Committee on Fluoride in Drinking Water, National Research Council (2006)
"However, the likelihood that the susceptible tetrad will be processed abnormally—ie,
will give rise to nondisjunction rather than segregating ..."
2. Science by American Association for the Advancement of Science (1883)
"... which would include meiotic studies in the male and female to define the
timing, origin, and mechanism of production of the chromosomal nondisjunction; ..."
3. Registry of Toxic Effects of Chemical Substances (RTECS): A Comprehensive Guide by Doris V. Sweet (1994)
"... Program scu - subcutaneous SEV - severe irritation effect skn - administration
onto the skin sin - sex chromosome loss and nondisjunction sit - specific ..."
4. Assessing the Human Health Risks of Trichloroethylene: Key Scientific Issues by National Research Council (U.S.) (2006)
"Sperm counts and morphology as well as Y chromosomal nondisjunction during
spermatogenesis did not differ between male factory workers exposed to ..."
5. Risk Analysis: A Guide to Principles and Methods for Analyzing Health and by John J. Cohrssen, Vincent T. Covello (1989)
"Although the mechanisms by which nondisjunction occurs are not well understood,
mitotic structures other than DNA may be the target molecules for at least ..."
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