Welcome to our guide to the commodities driving the global economy. Today, OPEC reporter Grant Smith discusses what’s in store at the group’s policy meeting this weekend.
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.
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Фото: Владимир Солнцев / ТАСС，更多细节参见服务器推荐