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Pertaining to genes borne on the X chromosome. Commonly but erroneously used synonymously with sex-linked, which would also comprise Y-linked traits.
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X-linked adj located on an X chromosome <an \X-linked gene> also transmitted by an X-linked gene <an \X-linked disease>
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(eksґlinkt) carried on the X chromosome, as an X-linked gene; by extension, determined by such a gene, as an X-linked trait or X-linked inheritance.Medical dictionary. 2011.