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  3. [audioFiles]2017m5s/audio_ezfj_189_201705[/audioFiles] DNA Testing DNA t

[audioFiles]2017m5s/audio_ezfj_189_201705[/audioFiles] DNA Testing DNA t

游客2023-10-30  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. /
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