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What does X stand for?

X stands for Female Chromosome

This definition appears 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:

Naturally, a sample of sperm will carry roughly a 50-50 mix of male and female chromosomes, although girl-making sperm are heavier and slower, due to carrying more DNA, than their male counterparts.
These treatments prevent the loss of a set of female chromosomes which would otherwise be eliminated during cell division to make room for insertion of the male chromosomes.
He is currently doing NASA-sponsored research on the sperm cells of mice that have "flown' at high G in a centrifuge, to see if male and female chromosomes may show different viabilities under such conditions.