ThePCRtechnologyiswildlyusedinexperimentsofmolecularbiology.Ithasdramaticallyadvancedmolecularstudiesanddevelopedanarrayofconcernedappilications.Sofar,thereareallkindsofPCRs,suchaserror-pronePCR,over-lapextensionPCR,plasmidPCR,RT-PCR,nestedPCR,longaccuratePCR,real-timequantitativePCRa