Squire works for US Department of Homeland Security Investigations in an elite unit which attempts to identify children appearing in sexual abuse material.
Фото: Екатерина Якель / «Лента.ру»
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Now, three researchers at the University of Pennsylvania, Alexander Platt, Daniel N. Harris, and Sarah Tishkoff, have done the converse analysis: examining the X chromosomes of the handful of completed Neanderthal genomes we have. It turns out there's also a strong bias toward modern human sequences there, as well, and the authors interpret that as selective mating, with Neanderthal males showing a strong preference for modern human females and their descendants.