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解决时间 2021-05-05 12:28
- 提问者网友:雾里闻花香
- 2021-05-04 22:48
加拿大有一种转基因作物,是耐除草剂的油菜。这种油菜才种植几年,当地就发现了无人种植的抗多种除草剂的油菜,有人称之为“超级杂草”,要杀死它们比较困难。这个事实说明,在转基因食品上,基因飘移经常发生,特别是在同一物种、不同品种之间。
另一方面,基因技术也对人类生活带来了极大的不良影响。
现在,许多过去被征服的传染病,由于细菌产生了耐药性,又卷土重来。其中最值得引起注意的是结核病。据世界卫生组织报道,现已出现全球肺结核病危机。本来即将被消灭的结核病又死灰复燃,而且出现了多种耐药结核病。据统计,全世界现有17.22亿人感染了结核病菌,每年有900万新结核病人,约300万人死于结核病,相当于每10秒钟就有一人死于结核病。
如今,转基因作物和转基因食品已经逐步走进人们的生活,关于转基因作物和食品安全与否的争论也越来越激烈。世界也似乎日渐分为积极支持和坚决反对的两大阵营。双方都不断地通过媒体向大众阐述自己的立场和观点,以争取更多的人加入到自己的阵营中来。面对这些日益增加而观点又截然相反的报道和评论,消费者不应简单地成为堆砌这些观点的仓库,而应积极主动地建立自己的判断标准。到时,我们就不会惊惶失措,而是从容地做出自己的决定。
最佳答案
- 五星知识达人网友:逐風
- 2021-05-05 00:20
Canada has a kind of genetically modified crops are herbicide-tolerant oilseed rape. This rape was planted a few years, where no one discovered the cultivation of a variety of herbicide-resistant oilseed rape, it was called "super weeds", to kill them more difficult. This fact shows that in genetically modified foods, genetic drift often occur, especially in the same species, between different species.
On the other hand, genetic technology on human life has brought about tremendous adverse effects.
Now, many in the past have been conquered infectious diseases, due to drug-resistant bacteria produced, but also a comeback. One of the most worthy of attention is tuberculosis. According to WHO reports, now there is a global TB crisis. Was about to be eradicated, TB resurgence, but there is also a variety of drug-resistant TB. According to statistics, the world's existing 1.722 billion people are infected with TB bacteria, each year 900 million new TB cases, about 300 million people died of TB, the equivalent of one person every 10 seconds died of tuberculosis.
Today, genetically modified crops and genetically modified food has been getting into people's lives on genetically modified crops and food security are increasingly heated debate over whether or not. Of the world seems increasingly divided into the active support and firmly opposed to the two camps. The two sides have constantly to the public through the media to state its position and views in order to attract more people to join to their camp to. Faced with these ever-increasing and ideas were diametrically opposed reports and comments, consumers should not simply become a warehouse piled up these ideas, but should be proactive in establishing their own criteria for judging. By then, we will not panic
But calmly make their own decisions.
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