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[audioFiles]2021m5x/audio_ve01005j_ezflisteningxa_0189_202105[/audioFiles]

游客2024-09-01  21
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答案                                                                       DNA Testing
       DNA testing is a powerful tool for identification and has many practical applications. / Molecule DNA carries our genetic code and determines our characteristics. / 99.9% of the DNA from two people will be identical. / The 0.1% of DNA code sequences that vary individually are called genetic markers. / The key to DNA testing is to find the genetic markers / that will identify the important similarities or differences between people. / The accuracy of DNA tests has big implications. / They are sometimes the only evidence to prove a suspect was guilty, / or free someone wrongly convicted. /
解析                                                                              DNA测试
       DNA测试是识别身份的一个有力工具。两个人的DNA当中有99.9%是一样的。剩下那0.1%的DNA编码序列叫做基因标记。DNA测试的关键在于找到基因标记，以确定人与人之间重要的共同性或差异性。
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