B chromosome

noun

A supernumerary or accessory chromosome, one that is not essential for the life of a species and does not occur in all individuals.

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Meanings

nounB chromosome (plural B chromosomes)

plural B chromosomes

  1. biologyA supernumerary or accessory chromosome, one that is not essential for the life of a species and does not occur in all individuals.
Cite this entry
APA

B chromosome. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/B%20chromosome

MLA

“B chromosome.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/B%20chromosome. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “B chromosome,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/B%20chromosome.

Source: B chromosome on Wiktionary, CC BY-SA 4.0.