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冷门知识 | 丰富你的知识储备

人和人之间有99.9%的基因都相同

04 May 2023

Description

基因组测序研究在媒体里热闹地反复出现,你可能对这组数据并不陌生:人与果蝇共享60%的遗传信息,与老鼠的相似度是80%,与黑猩猩的相似度约为98.5%。初读到这组数据的惊讶,可以帮我们更好地理解:其实你和我有99.9%相同。人们能轻易地辨别彼此之间的不同,能找出无数个区别,比如肤色、发色、胖瘦、腿长等,但这些都是由0.1%的DNA区别决定的。所以,在这个本质意义上,人和人有99.9%是相同的。

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