a sex chromosome of humans and most mammals that determines femaleness when paired with another X chromosome and that occurs singly in males.
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 …
The Truth Is In The X-FilesRead more in this article about some frequently asked questions and fun facts related to our definitions.
Compare Y chromosome.
Origin of X chromosome
First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019