a type of densely staining chromosome of uncertain biological function, found in many plant and animal species.
What The “X” In “Xbox” Stands For?No letter in the English language gets around like X. The 24th letter of the alphabet shows up everywhere, from the popular Xbox to standing in for a signature on legal documents. It represents a chromosome, signifies the multiplication process, and marks “the spot” on treasure maps. Let’s explore just a few of the uses of this versatile letter. The story behind the X in Xbox …
Before X Was X: The Dark Horse Story Of The 24th LetterSince its inception, the letter X has struggled to establish its own identity, so it may be no coincidence that X is commonly used to represent the unknown in both language and mathematics. But, how was it created?
Origin of B chromosome
First recorded in 1975–80
Also called accessory chromosome, satellite chromosome.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019