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1、It'sInTheDNA------TheGMFood內(nèi)容陳述SimpleIntroductionAdvantagesandDisadvantagesApplicationConclusionIIIIIIIVTopicTheGMFoodIIIIVIIISimpleIntroductionGeneticallymodified(GM)foods?arefoodsderivedfrom?geneticallymodifiedorganisms.Geneticallymodifiedorganismshave
2、hadspecificchangesintroducedintotheirDNAby?geneticengineering?techniques.theprocessofgeneembeddingIIIIVIIISimpleIntroductionFromthe1980s,AmericahasbeguntheexplorationonGMorganisms.ThefirstbatchofGMfoodsuchastomatohasbeenputintoproductionsince1993.Until20
3、13,GMfoodhastakenupmorethan60%oftheprocessedfoodintheUS.EveninChina,theGMfoodalsohasgraduallyinvadedintothecourseoffoodprocessinginananonymousway.IIIIVIIIAdvantagesandDisadvantages?IncreaseproductionUsingGMtechnologywecanraisetheprductionofthecropsandcat
4、tlessignificantly.IIIIVIIIAdvantagesandDisadvantages?Generatenewtraitstomeetpeople'sdemandSuchAshehe..IIIIVIIIAdvantagesandDisadvantages?ImprovethenutritionalcontentByembeddingspecialgeneinplantsandmakingitexpressed,theplantswillbecomeatreasuryofdifferen
5、tnutritionandavaccineagainstdiseaseIIIIVIIIAdvantagesandDisadvantagesInfact,theGMtechnologycandomuchmorethandescribedabove,especiallywhenourscienceisspeedingup.Atthesametime,itsnoveltyisitsweakness,afterall,theGMtechnologyisnotyetmature.Wehaven'thadalong
6、enoughperiodtoobserveitsoverallinfluenceonthenature.TheGMtechnologymayleadtosomeirreversibledamagesonthesafetyofhumanbodyandenviroment.Whenwefindaflaw,itmustbequitelarge...IIIIVIIIAdvantagesandDisadvantagesIIIIVIIIApplicationAlthoughtheGMtechnologywasbor
7、nandgrowswithcontroversies,theextentofitsapplicationisbecomingmoreandmorelargeallovertheworld.theareaoftheplantationoftheGMFIIIIVIIIApplicationDiffenentcountriesreacttotheGMFindifferentattitudes.FromthetablewecanreadthatAmericaisfairlyoptimisticstowardst
8、heGMF,ontheotherside,theEUappearsquitecautious.IIIIVIIIApplicationAnypositionintheprocessofGMFpopularizationhasitsownreason.ButforChina,thebiggestdevlopingcountrywiththelargestpopulationandrelativelyfewland,thehighestprior
