Introduction Polymerase chain reaction(PCR)has rapidly become one of the most widely used techniques in molecular biology and for good reason:it is a rapid,inexpensive and simple means of producing relatively large numbers of copies of DNA molecules from minute quantities of source DNA material--even when the source DNA is of relatively poor quality.PCR involves preparation of the sample,the master mix and the primers,followed by detection and analysis of the reaction products PDF文件使用"pdfFactory Pro'”试用版本创建mm,fineprint.com,cn Introduction Polymerase chain reaction (PCR) has rapidly become one of the most widely used techniques in molecular biology and for good reason: it is a rapid, inexpensive and simple means of producing relatively large numbers of copies of DNA molecules from minute quantities of source DNA material--even when the source DNA is of relatively poor quality. PCR involves preparation of the sample, the master mix and the primers, followed by detection and analysis of the reaction products PDF 文件使用 "pdfFactory Pro" 试用版本创建 öwww.fineprint.com.cn