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1、Whats GM foodsGM and Non-GM contrastGM foods advantagesGM foods drawbacksView第1页/共10页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 to GM organisms for
2、 direct food or as raw material processing production of food is genetically modified food.第2页/共10页GM and Non-GM contrastPotatoes Tomatoes Beans 第3页/共10页GM foods advantagesIncrease crop yield per unit area.Reduce the production cost.Through transgenic technology can enhance the ability of crop pests
3、,anti-virus.Improve the water resistance of agricultural products,extend the freshness.Get rid of the season,the influence of the climate.第4页/共10页Positive commentsGpaul goettlichs view First,it can make the food contain more nutrition.Then,it can improve farming productivity in food shortages places
4、.And he thinks GM foodscan effectively ease Global hunger problem.第5页/共10页GM foods drawbacksA 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,
5、its extinct.Affect other species by genetic spread.Cause allergies.第6页/共10页Negative commentsIrina 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
6、traditional plant and animal breeding.第7页/共10页 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.第8页/共10页thanks!第9页/共10页感谢您的观看!第10页/共10页