X chromosome

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X chromosome

or X-chro·mo·some (ĕks′krō′mə-sōm′)
n.
The sex chromosome associated with female characteristics in mammals, occurring paired in the female and single in the male.

X chromosome


n.
a sex chromosome of humans and most mammals that determines femaleness when paired with another X chromosome and that occurs singly in males. Compare Y chromosome.
[1910–15]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.X chromosome - the sex chromosome that is present in both sexes: singly in males and doubly in females; "human females normally have two X chromosomes"
sex chromosome - (genetics) a chromosome that determines the sex of an individual; "mammals normally have two sex chromosomes"
Translations

x chromosome

n. cromosoma x, cromosoma sexual diferencial que determina las características del sexo femenino.
References in periodicals archive ?
When they studied these mice, they found that the males with two X chromosomes (the XXY males) were about twice as fast to ejaculate and ejaculated nearly twice as often than those with only one.
Because if you're female, no matter what you do to your limbs and outward flourishes, you'll still have two X chromosomes.
The X chromosome may to many people connote femaleness, since women have a pair of X chromosomes and men have an X and a Y.
The X and Y cannot exchange DNA like the 22 pairs of non-sex chromosomes in humans or the paired X chromosomes in women.
If the father's X chromosome is paired with one of the mother's X chromosomes, the child will be a girl.
Female mammals have two X chromosomes, but males only have one.
In at least eight species of the mouse genus Akodon, from 10 percent to 60 percent of the females carry a Y chromosome in place of one of the two X chromosomes usually found in the cells of female mammals, report Hopi E.
Early in embryonic life, when they're merely balls of cells, female mammals silence one of their two X chromosomes within each cell.
Women typically have two X chromosomes, one inherited from each parent; men receive an X chromosome from their mother and a Y chromosome from their father.
Fortunately, mammals have evolved a way to silence one of the two X chromosomes in female cells.
In the new study, as in the original, Hamer and his coworkers examined the X chromosomes of families that have two homosexual brothers.
Women have two X chromosomes, and men have one X and one Y chromosome.