To investigate meiotic abnormity of oocytes and relationship between the abnormity and maternal age,germinal vesicle(GV) transfer was carried between GV oocytes from KM mice of different ages.

• 为探讨卵母细胞减数分裂异常及其与年龄相关变化之间的关系,对不同年龄段昆明白小鼠卵母细胞进行了生发泡(GV)移植研究。