转基因食品优缺点英文.ppt

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1、Genetically Modified Foods,Whats GM foodsGM and Non-GM contrastGM foods advantagesGM foods drawbacksView,Whats GM foods,Genetically modified(GM)food,is the use of biological technology,transfer some biological gene to other species,change its character,nutritional quality.The goals of the human need

2、 to GM organisms for direct food or as raw material processing production of food is genetically modified food.,GM and Non-GM contrast,Potatoes Tomatoes Beans,GM foods advantages,Increase crop yield per unit area.Reduce the production cost.Through transgenic technology can enhance the ability of cro

3、p pests,anti-virus.Improve the water resistance of agricultural products,extend the freshness.Get rid of the season,the influence of the climate.,Positive comments,Gpaul goettlichs view First,it can make the food contain more nutrition.Then,it can improve farming productivity in food shortages place

4、s.And he thinks GM foodscan effectively ease Global hunger problem.,GM foods drawbacks,A number of studies have indicated that the GM foods is impaired for mammals the immune function.Its more studies that the test with the hamster after eating genetically modified food,to its third generation,its e

5、xtinct.Affect other species by genetic spread.Cause allergies.,Negative comments,Irina V.Ermakovas view Find that GM food soya could have a negative influence on the offsprings of wistar rats.Gideon Lacks view Genetically modified technology is more risk compared to other technologies in traditional

6、 plant and animal breeding.,ViewAs far as I am concerned,the GM foods can reach some effects people want to achieve to,but at the same time,it also increase and accumulate the poison in the food.Now,there are some common GM foods in china,such as beans,rice,tomatoes,potatoes,corn etc.The emergence of GM foods is unavoidable,we cant blindly reject it.With the development of science and policy,I believe that one day people can safely eat it.,thanks!,

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