EXPLAINER-Biotech corn and soy widely used, consumers still wary of GM wheat

By Julie Ingwersen CHICAGO, March 3 (Reuters) – Nearly all corn and soybean acres in the world’s largest exporting countries are seeded with genetically modified varieties, but that is not the case for wheat, a crop grown primarily for human food. Biotech varieties of corn and soy, used for animal feed, biofuels and ingredients like cooking oil, were introduced in 1996 and soon came to dominate plantings in the United States as well as Brazil and Argentina, the world’s top suppliers. But genetically modified wheat has never been grown for commercial purposes due to consumer fears that allergens or toxicities…