History Headscratchers / Lonelygirl15

22nd Dec '11 11:33:02 PM dunerat
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**** That is not how sex-linked traits work. Sex-linked traits are defined as traits carried on one ''or'' the other sex-chromosome. Y-linked traits will never express in females, but X-linked traits could (and usually do, though to a lesser extent) express in males. The more accurate explanation would be that the trait in question only expresses in XX pairings, which is also possible.
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