PCR 测试如何运作?

PCR 代表 “聚合酶链反应”。它是一种对遗传物质进行定向检测和扩增的方法。原则上,类似于复印机。为了让复印机知道要复制什么,他需要一个合适的模板 — 一个独特的病毒 DNA 序列。冠状病毒基因组中的这种典型位点是已知的。在一种叫做引物的工具的帮助下,事先合成的引物可以准确地搜索到这些位点,这个序列在样品中被检测出来。 作者:3sat/nano/Raketenfilm/Andreas Gust/Konstantin Fuchs 翻译和配音:alugha 点击这里查看更多视频:https://alugha.com/TerraX

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