New study rewrites textbook on key genetic phenomenon

Because females carry two copies of the X chromosome to males' one X and one Y, they harbor a potentially toxic double dose of the over 1000 genes that reside on the X chromosome.

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<p><a href="http://www.physorg.com/news165675004.html">New study rewrites textbook on key genetic phenomenon</a></p> <p>Because females carry two copies of the X chromosome to males' one X and one Y, they harbor a potentially toxic double dose of the over 1000 genes that reside on the X chromosome.</p>