Lately, however, twin studies have helped lead scientists to a radical new conclusion: that natureandnurture are not the only elemental forces at work.
然而,近日的双胞胎研究帮助科学家们得出了一个全新的结论:先天和后天因素不是唯一起作用的因素。
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To biomedical researchers all over the world, twins offer a precious opportunity to untangle the influence of genes and the environment—of natureandnurture.