When she's turned on, some of her genes turn off

When a female is attracted to a male, entire suites of genes in her brain turn on and off, show biologists from The University of Texas at Austin studying swordtail fish.

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<p><a href="http://www.physorg.com/news116527075.html">When she's turned on, some of her genes turn off</a></p> <p>When a female is attracted to a male, entire suites of genes in her brain turn on and off, show biologists from The University of Texas at Austin studying swordtail fish.</p>