genetically-modified--crops(转基因作物)英语PPT

（转基因作物）GeneticallyModifiedCropsHuaiDongHuangCONTENTS•KeytechnologyofGMC•CategoryofGMC•AdvantagesandDisadvantagesofGMC•OutlookofGMCKeytechnologyofGMC•Geneticengineering（基因工程）：RecombiningatargetgenewithaDNAvectorinvitro,thenintroducingsuchrecombinantDNAmoleculeintoarecipientcell,andmakingitexpressionandproliferation.•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-CaroteneVitaminAAdvantagesofGMC•Increasethecropyieldperunitarea（增加作物产量）•Reduceproductioncosts（降低生产成本）•Enhancecrop’sresistancetopests,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）DisadvantagesofGMC•Becomeaweedorsuperweed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•Damagethebiologicaldiversity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,occupiedthecommandingheightsoftransgenictechnologyPromotionshouldbecarefultoensuresafetyThanks！NationalCurrentSituation•Commercialcultivation(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)。