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X chromosome
(redirected from X chromosomes)

    Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.03 sec.
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
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.
X chromosome A sex chromosome with 2 copies in normal ♀ and one copy in normal ♂. Cf Y chromosome.


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