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短串联重复序列（STR）的遗传多态性已成为人类重要的遗传标记系统，为人类遗传学研究提供了丰富的信息量，在人类群体中具有分布广泛，高度多态性，扩增效率高等特点。目前除被用于基因作图及基因连锁分析外，已广泛用于法医学个体识别和亲权鉴定中。本文应用PCR技术进行STR复
Genetic polymorphisms of short tandem repeats (STRs) have become important genetic marker systems in human beings. They provide rich information for human genetics research and have widely distributed, highly polymorphism and high amplification efficiency in human population Features. In addition to being used for gene mapping and genetic linkage analysis, it has been widely used in forensic identification and paternity testing. This application of PCR technology for STR complex