• synonyms

B chromosome

noun Genetics.
  1. a type of densely staining chromosome of uncertain biological function, found in many plant and animal species.
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Origin of B chromosome

First recorded in 1975–80
Also called accessory chromosome, satellite chromosome.

satellite chromosome

noun Genetics.
  1. B chromosome.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018