genetically modified crops(转基因作物)英语PPT.ppt

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1、（转基因作物）GeneticallyModifiedCropsHuaiDongHuangCONTENTSKeytechnologyofGMCCategoryofGMCAdvantagesandDisadvantagesofGMCOutlookofGMCKeytechnologyofGMCGeneticengineering（基因工程）：RecombiningatargetgenewithaDNAvectorinvitro,thenintroducingsuchrecombinantDNAmoleculeintoarecipientcell,andmakingitexpress

2、ionandproliferation.Recombin:重组recipient：受体proliferation：增殖CategoryofGMCTomatoStrawberryCornSoybean转基因大豆（黑脐豆）非转基因大豆PotatoGoldenRice:Ihavemoreβ-Carotene(β-胡萝卜素)β-CaroteneVitaminAAdvantagesofGMCIncreasethecropyieldperunitarea（增加作物产量）Reduceproductioncosts（降低生产成本）Enhancecrop’sresistancetopests,

3、anti-virus（增强抗病、害等能力）Reducetheuseofpesticides（减少农药的使用）Improvethestorabilityofagriculturalproducts（提高农产品的耐贮性）Getridoftheeffectsofseason,climate,provideseasonallow-cost-supply（摆脱季节、气候影响，四季低成本供应）DisadvantagesofGMCBecomeaweedorsuperweed转基因作物可能成为杂草或超级杂草Produceanewvirusdisease转基因作物可能产生新的病毒疾病Dama

4、gethebiologicaldiversity破坏生物多样性Impactonecosystemsandecologicalprocesses转基因作物影响生态系统及生态过程Causebiologicalchangesinmetabolism,resultinginchangesinthebiologicalnutrients引起生物的代谢发生变化，造成该生物营养成分的改变HowtodoResearchshouldbeboldandinnovative,occupiedthecommandingheightsoftransgenictechnologyPromotionsh

5、ouldbecarefultoensuresafetyThanks！NationalCurrentSituationCommercialcultivation(商业化种植）Cotton（棉花）、Papaya(番木瓜)Importlicensing（批准进口）Soybean、Corn、Cole(油菜)、Cotton和Beet(甜菜)。