基因工程育种中,常用两种限制酶同时切割目的基因和载体,以保证重组dna序列的唯一性。利用带有两种标记基因的质粒构建的重组质粒,有利于筛选导入了 Template




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tomski基因工程育种中,常用两种限制酶同时切割目的基因和载体,以保证重组dna序列的唯一性。利用带有两种标记基因的质粒构建的重组质粒,有利于筛选导入了 coloring