�学家通过基因工程的方法将苏��芽孢杆菌的bt毒蛋白基因转入普通棉株细胞内并成功实现了表达从而培育出了能抗棉铃虫的棉花植株 抗虫棉.其 Template




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tomski�学家通过基因工程的方法将苏��芽孢杆菌的bt毒蛋白基因转入普通棉株细胞内并成功实现了表达从而培育出了能抗棉铃虫的棉花植株 抗虫棉.其 coloring