advantages-and-disadvantages-of-GM-food.docx
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1、AdvantagesAndDisadvantagesofGeneticallyModifiedFoodsGeneticallymodifiedfoods(GMfoods)canbedefinedasorganismsinwhichthegeneticcodes(DNA)havebeenalteredusingnon-traditional,laboratory-basedmethodsthatdonotoccurnaturally.Thetechnologyisknownasgeneticengineering.Itallowsselectedindividualgenestobetransf
2、erredfromoneorganismintoanother,alsobetweennon-rclatcdspecies.GMfoodshavehadforeigngenes(genesfromotherplantsoranimals)insertedintotheirgeneticmaterial.CommonGMfoodsincludemaize,wheat,rice,soybeans,potatoes,pineapples.Sirawberries,cottonandsoon.GMfdsaredesignedforgreaterresistancetopestsandviruses,h
3、ighernutritionalvalueaereareM)methings(oremember:(I)Thebenetls,risksandethicalconcernsregardingGMfoodsarcstillbeingresearchedanddebated.(2)ThehealthrisksassociatedwithconsumingGMfoodsoringredientshavenotbeenunequivocallyestablished.(3)NocucntevidencesuggeststhatGMfoodsarcannfultohealth.(4)GMfoodsorI
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