B chromosome

noun Genetics.

a type of densely staining chromosome of uncertain biological function, found in many plant and animal species.

Origin of B chromosome

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

Definition for satellite chromosome (2 of 2)

satellite chromosome

noun Genetics.

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