质粒是基因工程中最常用的载体它存在于许多细菌体内某细菌质粒上的标记基因如图所示通过标记基因可以推知外源基因是否转移成功.外源基因插入的 Template




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tomski质粒是基因工程中最常用的载体它存在于许多细菌体内某细菌质粒上的标记基因如图所示通过标记基因可以推知外源基因是否转移成功.外源基因插入的 coloring