US Regulation of Genetically Modified Crops Federal regulation of biotechnology US Regulation of Genetically Modified Crops US Regulation of Genetically Modified Crops Federal regulation of biotechnology Federal regulation of biotechnology generally recognized as safe Federal regulation of biotechnology Federal regulation of biotechnology said GMO crops US Regulation of Genetically Modified Crops US Regulation of Genetically Modified Crops US Regulation of Genetically Modified Crops Federal regulation of biotechnology considers all genetically modified crops GRAS