PCR-VNTR检测 PCR fingerprinting VNTRL VNTR2 VNTR3 maternal paternal chromosome chromosome individual Prime rs for PCR VNTR locus amplification SEPARATE PCR PRODUCTS ON GEL PCR IA) 510gor8283035 I III individual —electrophoresis- (B1 3 pairs of ho 2424 PCR-VNTR检测