Definitions for x chromosome
Random House Webster's College Dictionary
X chromosome(n.)
a sex chromosome of humans and most mammals that determines femaleness when paired with anotherX chromosome and that occurs singly in males.
Category: Genetics
Ref: Compare Y chromosome.
Origin of X chromosome:
1910–15
Princeton's WordNet
X chromosome(noun)
the sex chromosome that is present in both sexes: singly in males and doubly in females
"human females normally have two X chromosomes"
Wiktionary
X chromosome(Noun)
A mammalian sex chromosome. Cells of females have a pair of X chromosomes while cells of males have an X and a Y.
U.S. National Library of Medicine
X Chromosome
The female sex chromosome, being the differential sex chromosome carried by half the male gametes and all female gametes in human and other male-heterogametic species.
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