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chromosome number

noun

, Genetics.
  1. the characteristic number of chromosomes contained in the cell nucleus of a given species.


chromosome number

noun

  1. the number of chromosomes present in each somatic cell, which is constant for any one species of plant or animal. In the reproductive cells this number is halved See also diploid haploid
“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


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Word History and Origins

Origin of chromosome number1

First recorded in 1905–10

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chromosome mapchromosomes