女性天生有“出轨基因”
<p><span word="Women">Women</span> <span word="are">are</span> '<span word="genetically">genetically</span> <span word="programmed">programmed</span> <span word="to">to</span> <span word="have">have</span> <span word="affairs">affairs</span>'</p><p>女性天生有“出轨基因”</p><p><span word="Women">Women</span> <span word="are">are</span> <span word="predisposed">predisposed</span> <span word="by">by</span> <span word="their">their</span> <span word="genetics">genetics</span> <span word="to">to</span> <span word="have">have</span> <span word="affairs">affairs</span> <span word="as">as</span> "<span word="back">back</span>-<span word="up">up</span> <span word="plans">plans</span>'" <span word="if">if</span> <span word="their">their</span> <span word="relationships">relationships</span> <span word="fail">fail</span>, <span word="according">according</span> <span word="to">to</span> <span word="a">a</span> <span word="research">research</span> <span word="paper">paper</span>.</p><p>研究结果表明，如果恋爱或者婚姻关系不和，女性天生基因里就自带找“备胎”的基因。</p><p><span word="Scientists">Scientists</span> <span word="at">at</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="Texas">Texas</span> <span word="say">say</span> <span word="they">they</span> <span word="are">are</span> <span word="challenging">challenging</span> <span word="the">the</span> <span word="assumption">assumption</span> <span word="that">that</span> <span word="humans">humans</span> <span word="have">have</span> <span word="evolved">evolved</span> <span word="to">to</span> <span word="have">have</span> <span word="monogamous">monogamous</span> <span word="relationships">relationships</span>.</p><p>德州大学的研究者表示，他们这项研究结果可能会挑战今天一夫一妻制关系的假说。</p>
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