基因工程技术的诞生是２０世纪下半叶改变人类生活面貌的重大科学事件之一，它使人类第一次能够按着自己的意愿，依靠工程设计的原则去改造生命的遗传结构，并创造新的品种．其实质就是借助一定的手段将人们所选定的外源目的基因导入受体细胞中，并使这种基因整合到受体细胞的 The birth of genetic engineering technology was one of the major scientific events that changed the face of human life in the second half of the 20th century. For the first time, human beings were able to transform the genetic structure of life and create new ones according to their wishes and engineering principles Variety. Its essence is to use certain means to import the exogenous gene selected by the human into the recipient cell and integrate the gene into the recipient cell