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chromosome number
noun
: the usually constant number of chromosomes characteristic of a particular kind of animal or plant
Examples of chromosome number in a Sentence
Recent Examples on the Web
Because of the difference in chromosome number, the tetrapoid couldn't mate with either of its parent species, but it wasn't prevented from reproducing with fellow accidents.
—Christie Wilcox, Discover Magazine, 19 Dec. 2011
The site of the fusion event on human chromosome number two does not provide an obvious picture of a past fusion event.
—Carl Zimmer, Discover Magazine, 22 July 2012
By 2011, Boeke and his colleagues could report success in building one arm of a chromosome, chromosome number nine.
—David Biello, Scientific American, 27 Mar. 2014
Unlike other botanical atlases that focused on botanical classification, this atlas recorded the chromosome number of about 100,000 plants, providing knowledge about breeding and evolutionary patterns of botanical groups.
—Leila McNeill, Smithsonian, 1 Aug. 2019
One result that’s emerged is a relationship between these timing parameters and chromosome number — too fast or too slow correlates perceptibly with embryos having the wrong number of chromosomes.
—Quanta Magazine, 15 Oct. 2018
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Word History
First Known Use
1910, in the meaning defined above
Time Traveler
The first known use of chromosome number was
in 1910
Dictionary Entries Near chromosome number
Cite this Entry
“Chromosome number.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chromosome%20number. Accessed 24 Nov. 2024.
Kids Definition
chromosome number
noun
: the number of chromosomes in a cell that is usually constant in the cells making up the body of a particular kind of plant or animal
Medical Definition
chromosome number
noun
: the usually constant number of chromosomes characteristic of a particular kind of animal or plant
More from Merriam-Webster on chromosome number
Britannica.com: Encyclopedia article about chromosome number
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