Using biotinylated human Y-specificDNA probe PHY2.1 and Cos 84, we carriedout Southern and dot hybridization withhuman DNA from artificially aborted cho-rionic villi. and with DNA of peripherallymphocytes from normal male and female.

• 作者以流产绒毛和外周血淋巴细胞DNA为材料；通过Southern印迹杂交和点杂交；考察了用生物素标记Y特异DNA探针PHY2.；1和Cos84进行产前性别诊断的可行性。