关于转基因的英语作文.doc

关于转基因的英语作文.doc

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1、Recently,adebateaboutgeneticallymodifiedfoodsbetweenFangZhouziandCuiYongyuanhasattractedmanypeople’seyes.Fangappealedtopeopletocomeandenjoygeneticallymodifiedfoodsatmicro-bloggingwhichhethoughtisnoharmtowardshuman.Ofcourse,thisisnotonlyhisidea.Itrepresentspartofhuma

2、nwhohavegreatconfidenceanddeterminationtomakeGMfoodbecomepopular.Meanwhile,Cui’squestionrepresentstheworryandanxietyofthegeneralpubliconGM,becausenoonecanguaranteewhatwillhappenifpeopleeatgeneticallymodifiedfoodsforalongtime.SuchdebatehasbothbeeninChinaandinternatio

3、nal.Thistime,thetwocelebritiesputthisissueinfrontofpeopleagain,Ithinkwehavetogetmoreknowledgeaboutit.Firstly,geneticallymodified(gm)referstotheartificialseparation(人工分离)andmodifiedgenes(修饰过的基因)importedintothepurposeofthegenomeoftheorganism,soastoachievethepurposeoft

4、hemodifiedorganisms.Geneticallymodified(gm)isgenerallydonebysexualreproduction.Peopleoftensay"geneticengineering","geneticengineering"(基因工程),"genetictransformation"(遗传转化)aresynonymouswithgeneticallymodified(gm).Andthenthegeneticallymodifiedfoodsareproducedinsuchway.

5、Thenlet’slookbacktothehistory.Intheearly1990s,thefirstgeneticallymodifiedfoodswasproducedintheUnitedStatesthatwasafreshtomato.Sincethengeneticallymodifiedfoodsbecomemoreandmorepopular.InMarch2000,theclonedpigswereborn.Followed,whethertoeatgeneticallymodifiedfoodbeco

6、mesadebatebothinEuropeandAmerica.Accordingtothestatistics,theU.S.FoodandDrugAdministration(食品和药物管理局)hasidentified43kindsofgeneticallymodifiedvarietieswhichmakesTheUnitedStatesthelargestcountryingeneticallymodifiedfoods.InAmerica,60%oftheprocessedfoodscontaingenetica

7、llymodifiedingredients,including90%ofsoybean,50%ofcorn,andwheataretransgenic.Thereisnotmuchdifferencebetweengeneticallymodifiedfoodsandordinaryfood,butgeneticallymodifiedplantsandanimalshaveadistinctadvantage,suchlikehigh-yield(高产),insectresistance(抗虫),anti-viral(抗病

8、毒)andanti-herbicide(抗除草剂).WhatIhavetosayisthatwiththeapplicationoftransgenictechnologythefoodshortageproblemhasbeensolvedtosomeextent,theu

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