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What does X stand for?

X stands for X Chromosome (genetics)

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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We have 1 other meaning of X in our Acronym Attic

Samples in periodicals archive:

Because if you're female, no matter what you do to your limbs and outward flourishes, you'll still have two X chromosomes.
While the X chromosome contains genes that direct a broad range of functions, such as blood clotting and some aspects of color perception, the Y chromosome for the most part bears only those genes responsible for male sexual characteristics.
The female cell has a pair of X chromosomes, one of which is usually curled up in an inactive form, while the male cell has only one X chromosome and one, much smaller, Y chromosome.