Doesn't he mean a female chromosome short of being a complete non-entity?
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.
See other definitions of X
We have 1 other meaning of X in our Acronym Attic
- Ex (former)
- Except (medical orders)
- Exophoria At Distance (ophthalmology)
- Experimental (US Military aircraft designation, as in X-1)
- Extreme (games)
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.
They employ a system of separating sperm which carry male or female chromosomes that falls outside the regulations.
Normally, semen specimens contain roughly equal numbers of male and female chromosomes.
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.