题目内容
Genetically modified crops cannot be a possible solution to food crisis.
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Genetic modification promises to achieve the same ends as selective breeding but in a much more targeted way, and much lesser efficiently.
Simple plants and plant cells have been genetically engineered for production of biopharmaceuticals in bioreactors as opposed to cultivating plants in open fields.
Nematodes (Globodera rostochiensis and G. pallida) are microscopic worms that invade the roots of potato plants and inject a substance that causes the plant to create a unique cell from which the nematode feeds via a specialized tube, stunting root growth and depriving the potato plant of essential nutrients. This leads to higher quality, smaller crops.
Theskepticsbelievethatgoldricemayposeaseriousthreattotheenvironmentandfoodsecurity,anditdoesnotaddresstheunderlyingcausesofvitaminAdeficiency—povertyandalackofadiversediet.
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