chromosome number


noun Genetics.

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

Nearby words

  1. chromosome,
  2. chromosome aberration,
  3. chromosome band,
  4. chromosome map,
  5. chromosome mapping,
  6. chromosomes,
  7. chromosphere,
  8. chromospheric,
  9. chromous,
  10. chromy

Origin of chromosome number

First recorded in 1905–10

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for chromosome number

chromosome number

noun

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 halvedSee also diploid (def. 1), 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