Para.2 1Experts say 60%to 70%of processed foods on U.S.grocery shelves have genetically modified ingredients. 2The most common genetically modified foods are soybeans,maize,cotton,and rapeseed oil.Para.2 ①Experts say 60% to 70% of processed foods on U.S. grocery shelves have genetically modified ingredients. ②The most common genetically modified foods are soybeans, maize, cotton, and rapeseed oil