转基因食物英文ppt

It'sInTheDNA------TheGMFood内容陈述SimpleIntroductionAdvantagesandDisadvantagesApplicationConclusionIIIIIIIVTopicTheGMFoodIIIIVIIISimpleIntroductionGeneticallymodified(GM)foodsarefoodsderivedfromgeneticallymodifiedorganisms.GeneticallymodifiedorganismshavehadspecificchangesintroducedintotheirDNAbygeneticengineeringtechniques.theprocessofgeneembeddingIIIIVIIISimpleIntroductionFromthe1980s,AmericahasbeguntheexplorationonGMorganisms.ThefirstbatchofGMfoodsuchastomatohasbeenputintoproductionsince1993.Until2013,GMfoodhastakenupmorethan60%oftheprocessedfoodintheUS.EveninChina,theGMfoodalsohasgraduallyinvadedintothecourseoffoodprocessinginananonymousway.IIIIVIIIAdvantagesandDisadvantagesIncreaseproductionUsingGMtechnologywecanraisetheprductionofthecropsandcattlessignificantly.IIIIVIIIAdvantagesandDisadvantagesGeneratenewtraitstomeetpeople'sdemandSuchAshehe..IIIIVIIIAdvantagesandDisadvantagesImprovethenutritionalcontentByembeddingspecialgeneinplantsandmakingitexpressed,theplantswillbecomeatreasuryofdifferentnutritionandavaccineagainstdiseaseIIIIVIIIAdvantagesandDisadvantagesInfact,theGMtechnologycandomuchmorethandescribedabove,especiallywhenourscienceisspeedingup.Atthesametime,itsnoveltyisitsweakness,afterall,theGMtechnologyisnotyetmature.Wehaven'thadalongenoughperiodtoobserveitsoverallinfluenceonthenature.TheGMtechnologymayleadtosomeirreversibledamagesonthesafetyofhumanbodyandenviroment.Whenwefindaflaw,itmustbequitelarge...IIIIVIIIAdvantagesandDisadvantagesIIIIVIIIApplicationAlthoughtheGMtechnologywasbornandgrowswithcontroversies,theextentofitsapplicationisbecomingmoreandmorelargeallovertheworld.010203040506019961997199819992000200120021996199719981999200020012002theareaoftheplantationoftheGMFIIIIVIIIApplicationDiffenentcountriesreacttotheGMFindifferentattitudes.U.SJapEUtolerantlimitofmodificationNolimit5%0.5%clearlabelontheouterpackingvoluntarycompulsorycompulsoryFromthetablewecanreadthatAmericaisfairlyoptimisticstowardstheGMF,ontheotherside,theEUappearsquitecautious.IIIIVIIIApplicationAnypositionintheprocessofGMFpopularizationhasitsownreason.ButforChina,thebiggestdevlopingcountrywiththelargestpopulationandrelativelyfewland,thehighestpriorityistoestablishespecializedlawsandregulationsforGMF.Onlyundertheclearguidelineofthegovermentcanwereducesenselessargumentsandsocialpanic,soweareabletomoveonintherightdirectionoftheproductionofGMF.IIIIVIIIConclusionWhenIfinishedthisarticle,IfeeledtheGMFtechnologyisindeedlyanexcellentsolutiontothefuturefoodproblem.But,rightnow,thistechnologyisnotmatureyetandwedon'thavetoputitintoproductioninawiderange.Inmyopinion,wecan'tbetooaggressivetopromotetheresearchonGMF,but,wecanslowdownourpacealittletoputitintopractice.---thisismyconclusion谢谢