It is a effective way to normalize the seed market radically that establish the DNA fingerprint database of crop varieties and the relevant variety identification standard.
建立作物品种DNA指纹库并制定相关的鉴定标准，是一条从根本上规范我国种业市场的有效途径。
ObjectiveTo study the polymorphism at D7S21 locus in Hebei Han population, provide basic information for construction of DNA fingerprint database and apply these to the practice of forensic medicine.
目的探讨D7S2 1位点在河北汉族人群分布的多态性，为DNA指纹数据库的构建及其法医学应用提供基础资料。
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