Question: How does th GM (genetically modified) chemical work on the food

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  1. I’m not the best person to ask. But GM is not a chemical thing. What happens is that scientists insert foreign DNA into the cells of a plant in order to give it properties that it didn’t have already – eg resistance to certain herbicides, or so that it is not tasty to a certain type of pest. The DNA causes the plant to manufacture some type of protein that it wouldn’t otherwise express.

    I am in two minds about whether this is a good thing or not. It leads to huge fields of crops all growing a single, genetically narrow specimen – bad for biodiversity, and potentially having ecological consequences. But then it improves yields and helps make food production more efficient.