理学连接酶链式反应释 amplification refractory mutation system扩增耐突变系统 检测基因组突变的聚合酶链反应(PCR)方法。常用PCR方法进行检测,又称扩增抗拒突变系统(amplification refractory mutation system,ARMS)、特异等位基因的PCR扩增(PCR amplification of specific alleles,PASA)、等位基因特异扩增(allele- specific amplification,ASA)或等位基因特异性PCR(allele specific polymerase chain reaction,ASPCR)等。