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B chromosome

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WordReference Random House Unabridged Dictionary of American English © 2026

B chromosome, [Genetics.]

Geneticsa type of densely staining chromosome of uncertain biological function, found in many plant and animal species. Also called accessory chromosome, satellite chromosome.

1975–80

'B chromosome' also found in these entries (note: many are not synonyms or translations):

accessory chromosome - satellite chromosome

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