下列关于PCR技术应用的叙述，正确的是（ ）。
正确答案及解析
正确答案
解析
PCR技术可以检测细胞中基因的表达水平，但不能检测细胞中蛋白质的含量，故A错误。引物能与核酸特异性结合，因此在同一反应体系里加入多对特异性引物以同时检测多种病原微生物，故B正确。PCR技术可以用于检测细菌、病毒类疾病，故C正确。PCR技术可以对编码凝血因子Ⅷ的基因发生突变的位点进行检测，故D正确。
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