染色体的附加[增加]

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发表于:2018-12-07 / 阅读(133) / 评论(0)

听电影学英语-姐姐的守护者

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发表于:2018-12-07 / 阅读(73) / 评论(0)

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This is Scientific American's 60-Second Science, I am Steve Mirsky,Got a minute? A team of Finnish and American geneticists has found that that, for some people at least, music is in their genes. In what the researchers called the first study of its

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This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Every expecting mother gets asked the question: boy or girl? For mammals like us, its an easy call. Two X chromosomes you get pink booties. X and a Y you g

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发表于:2019-01-02 / 阅读(86) / 评论(0)

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This is Scientific American's 60-second Science. I'm Karen Hopkin, this will just take a minute. When it comes to lizards' sex, size dose matter. But not in the way you might think. Because in the June 4th online issue of Journal Current Biology, sci

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Every villain has his Achilles' heel. And microscopic scoundrels are no exception. The challenge for those who wish to ward off microbial bad guys is to identify that weak spot. Now, scientists studying the toxoplasmosis parasite think they've done j

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发表于:2019-02-06 / 阅读(60) / 评论(0)

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