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It’s complicated; but here is a quick summary of what the controversy over genetically modified foods is all about.
GM engineering involves reconfiguring the genes in crop plants or adding new genes that have been created in the laboratory.
Scientific modification of plants is not something new. Since time began, nature has been modifying plants and animals through natural evolution, meaning that the plants and animals that adapt best to the changing environment survive and pass their genes on to their offspring. Those that are least fit do not survive. Farmers, too, have been helping nature improve crops for generations by saving the seeds of the best tomatoes and apples to use for next year’s crop. This is a kind of genetic selection – the most favorable plants succeed.
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