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本文提出外源DNA导入具有基因转移和生物诱变的双重作用,外源DNA片段能作为一种新型诱变因素;并重点阐述了生物诱变及其特点。
In this paper, the introduction of exogenous DNA has the dual role of gene transfer and biological mutagenesis, exogenous DNA fragments can be used as a new mutagenesis factor; and focused on biological mutagenesis and its characteristics.