论文部分内容阅读
在凶杀案件的现场勘查过程中,是否能提取到有效的DNA,也就是犯罪分子遗留在现场的生物检材,将对案件的侦破起到关键的作用。近年来,随着DNA技术的应用越来越广泛,侦查技术人员现场勘验意识、勘验提取技术也日臻完善,通过刑事技术人员有的放矢、细致地现场勘验,提取到有价值的生物检材已不是非常困难,特别是强奸案件或杀人案件。但仅仅提取到犯罪分子的DNA检材还是不够的,而Y染色体以其特有的独特性应用在侦查破案中,则能够有效的缩小侦查
During the scene investigation of homicide cases, whether effective DNA can be extracted, that is, the biological samples left by criminals at the scene, will play a key role in the detection of cases. In recent years, with the application of DNA technology more and more widely, the investigating technicians have the consciousness of on-site inspection and the technology of inspection and extraction has been improved day by day. Through the targeted criminal technicians, careful on-site inspection and extraction of valuable biological samples It is not very difficult, especially in cases of rape or murder. However, only the DNA extracted from the criminals is still not enough, and the Y chromosome with its unique and unique application in detection and detection, it can effectively reduce the detection