造血干细胞的特征是 ( )A、多向分化B、不均一性C、定向分化D、对称分裂E、自我更新

作者: rantiku 人气: - 评论: 0
问题 造血干细胞的特征是 ( )
选项 A、多向分化 B、不均一性 C、定向分化 D、对称分裂 E、自我更新
答案 ABE
解析

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