Genetically-modified-food转基因食品利弊.docx

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1、Currentlytherehasbeenmuchcontroversyovergeneticallymodifiedfood,witheachsideofferingconvincingevidence.Thoseinfavorofthiskindoffoodclaimthattheyoffervariousadvantages.Firstly,geneticallymodifiedcropshavenaturalresistanceagainstpestsandinsectsandsolesspesticideandinsectici

2、deneedtobesprayedonthem,whichwillreducetheriskofexposingthemtoharmfulchemicals.Secondly,geneticallyengineeredcropscanbegrownatplaceswithunfavorableclimaticconditionswhileanormalcropcangrowonlyinspecificseasonsorunderfavorableclimaticconditions.Thirdly,geneticallymodifiedf

3、oodhasanincreasedshelflifeandsothereislessfearoffoodgettingrottenquickly,whichbringsusmuchconvenience.Ontheotherhand,manypeopleareoftheopinionthatgeneticallymodifiedfoodposesmorethreatsthanbenefits.Thebiggestthreatisthattheycanhaveharmfuleffectsonthehumanbody.Researchshow

4、sthatthealterationsintheplantshavethepossibilityofcausingseriousmedicalproblemsforpeople,whichisyettoclarify.Anotherriskisthatgeneticallymodifiedplantsmaythreatentheexistenceofotherwildplantsintheenvironmentbecausetheygrowstrongerandfasterthannormalplants.Insummary,obviou

5、sastheadvantagesofgeneticallymodifiedfoodare,itsdrawbackscanbynomeansbeignored.Accordingly,Iamfirmlyconvincedthatonlywhenalltheill-effectsofgeneticallymodifiedfoodaredealtwithmoderationanddiscretion,canwefullyembraceit.