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Genetically modified foods are foods produced fromorganisms that have had specific changesintroduced into their DNA using the methods ofgenetic engineering.These techniques have allowedthe introduction of new crop traits as well as a fargreater control over the food's genetic structure than previous methods such as selectivebreeding and mutation breeding.China has become the world s largest soybean importer,buying about 60% of the globally traded soybeans.Most of those imported soybeans aregenetically modified varieties.In China, there is a fierce public debate on genetically modifiedfood.