今天,世界上约有1/5的食品是用生物技术生产出来的,也就是基因食品。许午多科学家认为,如今世界人口迅速膨胀,生物技术是解决食物供应不足最可行的办法。 生物技术的基础在1970年代便已奠基,那时候,科学家已知道怎样从一种有机体中取出基因,植入另一有机 Today, about one-fifth of the world’s food is produced using biotechnology, namely genetically modified foods. Many scientists believe that at present, the world’s population is rapidly expanding. Biotechnology is the most feasible solution to the problem of insufficient food supply. The foundation of biotechnology was laid before the 1970s, when scientists learned how to take a gene out of one organism and implant another organism