植物学家在培育抗虫棉时对目的基因作了适当的修饰使得目的基因在棉花植株的整个生长�育期都表达以防止害虫侵害这种对目的基因所作的修饰�生在 Template




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tomski植物学家在培育抗虫棉时对目的基因作了适当的修饰使得目的基因在棉花植株的整个生长�育期都表达以防止害虫侵害这种对目的基因所作的修饰�生在 coloring