下列关于动物细胞工程的叙述不合理的是 A.转基因动物的培育离不开动物细胞培养技术b.使用和冷冻的正常细胞通常在50代以内以保证正常的二倍 Template




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tomski下列关于动物细胞工程的叙述不合理的是 a.转基因动物的培育离不开动物细胞培养技术b.使用和冷冻的正常细胞通常在50代以内以保证正常的二倍 coloring