不同浓度秋水仙素对某植物幼苗尖端进行不同时间的处理结果如图.下列有关叙述正确的是 A.秋水仙素处理后的根尖细胞均为四倍体细胞b.正常情况 Template




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tomski不同浓度秋水仙素对某植物幼苗尖端进行不同时间的处理结果如图.下列有关叙述正确的是 a.秋水仙素处理后的根尖细胞均为四倍体细胞b.正常情况 coloring