What does X stand for?

Female Chromosome

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

Science, medicine, engineering, etc.

Other Resources:

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Ecstasy Ex (former) Except (medical orders) Exchange Exercise Existing Exophoria At Distance (ophthalmology) Experimental (US Military aircraft designation, as in X-1) Extra Extreme (games)		Generation X Halogen (organic chemistry) Horizontal axis in Cartesian coordinate system Initial Position Error (of casualty) Kiss Malcolm X MPAA Movie Rating for Adults Only Multiplied by Northwest Territories (postal code designation, Canada) Offensive team (sports/coaching)

Samples in periodicals archive:

One reason mandatory gender testing for female athletes in the Olympics was dropped in 1999 was that not all women have standard female chromosomes.

The shameful case of Caster Semenya

Unlike DNA, which is a merger of male and female chromosomes, mitochondria are transmitted exclusively from mother to child.

Gene replacement therapy works in monkeys

One reason for the change was not all women have standard female chromosomes.

In runner's village, no doubts on her gender

Before the surgery he had no female reproductive organs, a higher percentage of male chromosomes in his body than female chromosomes and "obscure external genitals".

Final court victory for Zainab

The doctor believed the syndrome was caused by a deficiency in the female chromosome (X).

Aicardi Syndrome

It would mean male or female chromosomes would only be screened out where inherited diseases are more likely to be passed on to one gender.

Should sex selection be a right for IVF couples? The Debate David ...

In snake parthenogenesis, they suspect, the ejected female chromosomes - which together are known as the polar body - get reabsorbed by the egg cell in an act of "self-fertilization," triggering embryo development.

SOME SNAKES CAN REPRODUCE WITHOUT SPERM, RESEARCHERS SAY

VOXXY derives its name from "Vox" (Latin for voice) combined with "XX", the symbol for the female chromosome.

Mirror Image Delivers Web Content for Voxxy's Interactive Program ...