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以自制的JL－02探针进行了DNA指纹分析，对北京地区无关个体进行了调查，计算出任意两无关个体的偶合机率为6．6×10－15；家系分析表明，谱带在亲代与子代间的传递符合孟德尔遗传规律；同一个体不同组织的DNA指纹图相同；混合斑精子DNA指纹图与相应男性血液DNA指纹图完全相同；该探针对0．5μg的基因组DNA杂交，可获得清晰可辩的DNA指纹图。证明了新探针适用于法医物证检验中的个人同一认定及亲子鉴定。
DNA fingerprinting was carried out with a homemade JL-02 probe, and unrelated individuals in Beijing were investigated. The probability of any two unrelated individuals was calculated to be 6.6 × 10-15. The pedigree analysis showed that the frequency of the bands in parental and The transfer between offspring accords with Mendel’s genetic rule; DNA fingerprints of different tissues of the same individual are the same; DNA fingerprints of mixed spot spermatozoa are exactly the same as the corresponding DNA fingerprint of male blood; this probe hybridizes with 0.5μg of genomic DNA, Get clear and definable DNA fingerprinting. It proves that the new probe is suitable for the same individual identification and paternity test in forensic evidence test.