'It's harder to be a parent than a space shuttle commander', trailblazing Nasa pilot tells BBC
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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.，推荐阅读爱思助手下载最新版本获取更多信息
3014268610http://paper.people.com.cn/rmrb/pc/content/202602/28/content_30142686.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/28/content_30142686.html11921 蜡梅历寒向春开（一朵花读懂一座城）
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