chromosome number

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

Origin:
1905–10

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World English Dictionary
chromosome number
 
n
diploid See also haploid 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

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
Two related frog species differ by chromosome number, which deepened one species's calls and tells the females who's who.
Note that you can directly link to maps of other chromosomes by simply clicking on a chromosome number.
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