Second; This is an allergic reaction. People who are allergic to certain foods are sometimes allergic to foods that were not allergic before.
Third; Yes, it's a nutritional problem. Scientists believe that foreign genes will destroy the nutrients in food in ways that people don't know yet.
Fourth; This is resistance to antibiotics. When scientists add a foreign gene to plants or bacteria, this gene will be connected with other genes. After people take this improved food, the food will transfer the drug resistance gene to the pathogenic bacteria in the human body, which will make the human body resistant to drugs.
Five; Is a threat to the environment. Many transgenic varieties contain bacterial genes extracted from Bacillus, which can produce a protein that is toxic to insects and pests. Ecologists believe that none of this has improved.
Other species in the range may become victims of improved species, while biologists worry that in order to cultivate some better characteristics, their characteristics may be spread to wild species through pollen and other media.
Transgenic technology is to introduce artificially separated and modified genes into the genome of the target organism, so as to achieve the purpose of transforming the organism. Commonly used methods include microinjection, gene gun, electroporation, liposome and so on. Transgene was originally used to study the function of genes, that is, introducing exogenous genes into the genome of recipient organisms (generally model organisms, such as Arabidopsis thaliana or zebrafish), observing the characteristics of organisms, and achieving the purpose of revealing the function of genes. Later, people made genetically modified food, and its safety is still controversial among some people. In May 20 14, the Ministry of Agriculture issued the Notice of the General Office of the Ministry of Agriculture on Preventing the Loss of Genetically Modified Experimental Materials to all genetically modified R&D units in China. According to statistics, at least 10 provinces and cities in China have transgenic experimental fields.