Objectives Knowledge objectives 1.to help students understand the advantages and disadvantages of genetically modified foods 2.to help students know the regulations on biotech foods in the U.S. 3.to help students master language expressions about genetically modified foodsObjectives Knowledge objectives 1. to help students understand the advantages and disadvantages of genetically modified foods 2. to help students know the regulations on biotech foods in the U.S. 3. to help students master language expressions about genetically modified foods