page_title: X chromosome
hierarchical_section_title: X chromosome
caption_attribution_description: English: Human male Karyotype after G-banding. X chromosome highlighted
context_page_description: The X chromosome is one of the two sex-determining chromosomes in many organisms, including mammals, and is found in both males and females. It is a part of the XY sex-determination system and X0 sex-determination system. The X chromosome was named for its unique properties by early researchers, which resulted in the naming of its counterpart Y chromosome, for the next letter in the alphabet, following its subsequent discovery.
context_section_description: The X chromosome is one of the two sex-determining chromosomes (allosomes) in many organisms, including mammals (the other is the Y chromosome), and is found in both males and females. It is a part of the XY sex-determination system and X0 sex-determination system. The X chromosome was named for its unique properties by early researchers, which resulted in the naming of its counterpart Y chromosome, for the next letter in the alphabet, following its subsequent discovery.
caption: X chromosome in human male karyogram
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