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Related to X chromosome: Y chromosome
X chromosomeor X-chro·mo·some (ĕks′krō′mə-sōm′)
The sex chromosome associated with female characteristics in mammals, occurring paired in the female and single in the male.
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.
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|Noun||1.||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"
n. cromosoma x, cromosoma sexual diferencial que determina las características del sexo femenino.