下列细胞的分裂中观察不到染色体和纺锤丝的变化的是 A.蛙的红细胞 b.造血干细胞 C.根尖分生区细胞 D.癌细胞——青夏教育精英家教�—— Template




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tomski下列细胞的分裂中观察不到染色体和纺锤丝的变化的是 a.蛙的红细胞 b.造血干细胞 coloring