Objective To prove the reliability for sex identification by detection of chromosome X and Y using fluorescence in situ hybridization in human blood and bloodstain.

• 目的探讨荧光原位杂交技术在血痕性别鉴定中应用及其价值。方法对20例新鲜人血及20例1-2年人血痕的X、Y染色体采用双色荧光探针进行原位杂交分析。