用32p标记了玉米体细胞的dna分子双链再将这些细胞转入不含32p的培养基中培养在第二次细胞分裂的中期.后期一个细胞中的染色体总条数和被 Template




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tomski用32p标记了玉米体细胞的dna分子双链再将这些细胞转入不含32p的培养基中培养在第二次细胞分裂的中期.后期一个细胞中的染色体总条数和被 coloring