PCR, poʻo le polymerase chain reaction, o se metotia e faʻaaogaina e faʻalautele ai faʻasologa o DNA.Na muamua fausia i le 1980s e Kary Mullis, o le na maua le Nobel Prize in Chemistry i le 1993 mo lana galuega.Ua suia e le PCR le biology mole, ua mafai ai e tagata suʻesuʻe ona faʻateleina le DNA mai faʻataʻitaʻiga laiti ...
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