X chromosome

X chromosome

One of the two sex chromosomes (the other is Y) that determine a person's gender. Normal males have both an X and a Y chromosome, and normal females have two X chromosomes.

Mentioned in: Cutis Laxa, Fragile X Syndrome, Glucose-6-Phosphate Dehydrogenase Deficiency, X-Linked Agammaglobulinemia

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X chromosome,

n a sex chromosome that in humans and many other species is present in both male and female. The male somatic cell consists of one X chromosome and one Y chromosome; the female somatic cell carries two X chromosomes. All female gametes carry the X chromosome, whereas half of the male gametes possess the X chromosome and the other half the Y chromosome.