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Gaokao Biology Practice Question

1.( 6分)在细胞的生命历程中,会出现分裂、分化等现象.下列叙述错误的 是( )

  1. A.细胞的有丝分裂对生物性状的遗传有贡献
  2. B.哺乳动物的造血干细胞是未经分化的细胞
  3. C.细胞分化是细胞内基因选择性表达的结果
  4. D.通过组织培养可将植物叶肉细胞培育成新的植株

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