基本解釋[醫(yī)藥科學]引物延伸預擴增擴增前引物延伸引物預擴增英漢例句雙語例句Objective To study the effect of modified improved primer extension preamplification (IPEP) on STR analysis of trace DNA.目的探討改良擴增前引物延伸（IPEP）法對痕量DNA樣本STR檢測分型的效果。Methods Using primer extension preamplification (PEP) and nested polymerase chain reaction (PCR), a normal male SRY gene in maternal plasma DNA was detected in 65 gravidas.方法采用引物延伸預擴增（PEP）法及巢式PCR技術對65例孕婦外周血血漿DNA進行正常男性SRY基因檢測。primer extension preamplification更多例句詞組短語短語primer extension preamplification PCR 引物延伸預擴增聚合酶鏈反應Improved primer extension preamplification 多重置換擴增反應primer extension preamplification更多詞組專業(yè)釋義醫(yī)藥科學引物延伸預擴增Single cell DNA was obtained by alkaline denaturation, then primer extension preamplification (PEP) and polymerase chain reaction (PCR) were adopted to detect SRY and TOX B1 gene.堿變性法提取單細胞DNA,采用引物延伸預擴增(primed extension preamplification ,PEP)和聚合酶鏈反應(polymerase chain reaction, PCR)技術檢測SRY基因和TOX B1基因。擴增前引物延伸引物預擴增