Genetically Modified Food2
(推荐)GeneticallyModifiedFood
• reduce pesticide use, to avoid environmental pollution
• save production costs, lower food prices
• increase the types of food, improve food quality
Genetically Modified Food： Harmful or Helpful？
南昌大学医学院 13研2班 罗斌
Contents
1. What is GM food？ 2. The advantages of GM foods 3. The criticisms against GM foods 4. Conclusions
• Reduced effectiveness of pesticides : many people are concerned that insects will become resistant to B.t. or other crops that have been genetically-modified to produce their own pesticides. .
For example:
Foods that contain an added gene sequence
Transgenic Crop
For example:
Foods that have a deleted gene sequence
Transgenic chicken
For example:
GM foods were first put on the market in the early 1990s. The most common modified foods are derived from plants: soybean, corn and cotton seed oil.
转基因食品英文版
3.Microorganisms
Although GM microorganisms and ingredients produced from them (e,g,GM chymosin in cheese making) have been available for many years, use of GM bacteria and yeasts in foods and in food production has been limited. Many applications are possible, including improvement of traditional food fermentations, production of a variety of metabolic end products, and development of bacteria with enhanced probiotic and other health benefit properties.
Pros and cons of GM food
1. Advantages
Increase crop yields;
Reduce production costs; Enhance crop resistance to pests and virus, Improve agricultural resistant storability; Shorten crop development time; Get rid of the Four Seasons supply; Break down species barriers, Cultivate new species, Produced conducive foods to human health .
The Dangers of Genetically Modified Foods
The Dangers of Genetically ModifiedFoodsGenetically modified foods, also known as GM foods, have been a controversial topic for many years. While some people believe that they can help solve world hunger and improve crop yields, others are concerned about the potential dangers and long-term effects of consuming these foods. In this essay, we will explore the various perspectives on the dangers of genetically modified foods. One of the main concerns surrounding genetically modified foods is the potential health risks. Many people worry that consuming these foods could have negative effects on their health, such as allergic reactions or increased risk of certain diseases. Some studies have suggested that genetically modified foods may have harmful effects on the liver, kidneys, and other organs. Additionally, the long-term effects of consuming these foods are not fully understood, leading to uncertainty and fear among consumers. Another issue with genetically modified foods is the impact they can have on the environment. The use of genetically modified crops can lead to increased pesticide use, which can harm the surrounding ecosystem and contributeto the decline of important pollinators such as bees. Additionally, there is a concern that genetically modified crops could crossbreed with wild plants, leading to the spread of modified genes in the natural environment. This could have unforeseen consequences and disrupt the delicate balance of ecosystems. Inaddition to health and environmental concerns, there are also ethical and social implications of genetically modified foods. Many people are worried about the corporate control of the food supply, as large biotech companies often holdpatents on genetically modified seeds. This can lead to a concentration of power and wealth in the hands of a few corporations, potentially exploiting farmers and consumers. Furthermore, there are concerns about the impact of geneticallymodified foods on small-scale farmers, who may be forced to adopt these crops in order to compete in the market. On the other hand, proponents of genetically modified foods argue that they can help address global food security and improve crop resilience. By modifying crops to be more resistant to pests and diseases, farmers can potentially increase their yields and reduce the need for harmfulpesticides. This could be particularly beneficial in developing countries, where food shortages are a pressing issue. Additionally, genetically modified foods have the potential to be more nutritious, with enhanced levels of vitamins and minerals that could help combat malnutrition. It is important to consider the perspectives of different stakeholders when discussing the dangers of genetically modified foods. While some may see the potential benefits of these crops, others are deeply concerned about the risks they pose to human health, the environment, and social justice. It is crucial that thorough research and transparent communication are conducted to address these concerns and ensure the safety and well-being of consumers and the planet. In conclusion, the dangers of genetically modified foods are a complex and contentious issue with far-reaching implications. While some argue that these foods have the potential to address global food security and improve crop resilience, others are deeply concerned about the potential health risks, environmental impact, and ethical implications. It is essential that these concerns are taken seriously and thoroughly addressed through rigorous research and regulation. Only through careful consideration of all perspectives can we make informed decisions about the use of genetically modified foods.。
Genetically-Modified-Foods
Genetically Modified Foods: Harmfulor Helpful?转基因食品: 有害还是有益？Genetically-modified foods (GM foods) have made a big splash in the news lately.在最近的新闻中, 转基因食品激起了极大反响。
European environmental organizations and public interest groups have been actively protesting against GM foods for months, and recent controversial studies about the effects of genetically-modified corn pollen on monarch butterfly caterpillars have brought the issue of genetic engineering to the forefront of the public consciousness in the U.S.欧洲的环保组织和公益团体几个月来大力反对转基因食品, 最近在美国, 关于转基因玉米花粉对帝王蝶毛虫影响的调查备受争议, 将基因工程学问题推到了公众意识的前沿。
In response to the upswelling of public concern, the U.S.Food and Drug Administration (FDA) held three open meetings in Chicago, Washington, D.C., and Oakland, California to solicit public opinions and beginthe process of establishing a new regulatory procedure for government approval of GM foods.作为对不断加深的公众担心的回应, 美国食品及药物管理局(FDA)在分别在芝加哥, 华盛顿特区和加州的奥克兰市召开了三场听证会, 征求公众意见, 开始建立了对政府批准转基因食物的新监管。
转基因食物英语作文
Genetically Modified Foods,commonly known as GM foods,have become a topic of intense debate in recent years.The development of this technology allows scientists to modify the genetic makeup of organisms,including the plants and animals that we consume as food.Here are some key points to consider when discussing this subject in an English essay:1.Introduction to Genetic Modification:Begin by explaining what genetic modification is and how it differs from traditional breeding techniques.Mention that it involves altering the DNA of organisms to give them new characteristics,such as resistance to pests or the ability to grow in different climates.2.Advantages of GM Foods:Discuss the potential benefits of GM foods.These may include increased crop yields,which can help address food shortages and reduce the need for chemical pesticides.GM crops can also be engineered to be more nutritious, providing essential vitamins and minerals that might otherwise be lacking in certain diets.3.Health Concerns:Address the health concerns that have been raised about GM foods. Some people worry that consuming genetically modified organisms could have unforeseen effects on human health.However,it is important to note that extensive testing is conducted before GM foods are approved for consumption.4.Environmental Impact:Explore the environmental implications of GM foods.On one hand,they can reduce the need for harmful pesticides and herbicides,which is beneficial for the environment.On the other hand,there are concerns about the potential for GM crops to crossbreed with wild plants,leading to unforeseen ecological consequences.5.Ethical Considerations:Delve into the ethical questions surrounding genetic modification.Some argue that it is a form of playing God with nature,while others believe that it is a necessary step forward in feeding a growing global population.6.Economic Factors:Consider the economic impact of GM rge corporations that develop and sell GM seeds can exert significant control over the food supply,which raises concerns about the concentration of power in the agricultural industry.beling and Consumer Choice:Discuss the importance of labeling GM foods so that consumers can make informed choices about what they eat.This is a contentious issue, with some arguing that labeling is necessary for transparency,while others believe it stigmatizes GM products and could lead to unnecessary fear.8.Regulatory Framework:Examine the role of government and international bodies inregulating GM foods.Its important to have a robust framework to ensure safety and ethical considerations are taken into account.9.Future Prospects:Conclude by considering the future of GM foods.With advances in technology,its likely that genetic modification will play an increasingly important role in food production.However,its crucial to balance innovation with caution to ensure the safety and sustainability of our food supply.10.Personal Reflection:End your essay with a personal reflection on the topic.What are your thoughts on the use of GM foods?Do you believe the benefits outweigh the potential risks,or vice versa?Remember to structure your essay with a clear introduction,body paragraphs that explore each point in detail,and a conclusion that summarizes your main e evidence and examples to support your points,and consider presenting both sides of the argument to show a balanced view.。
Genetically modified foods -- Feed the World
Genetically modified foods -- Feed the World?If you want to spark a heated debate at a dinner party, bring up the topic of genetically modified foods. For many people, the concept of genetically altered, high-tech crop production raises all kinds of environmental, health, safety and ethical questions. Particularly in countries with long agrarian traditions -- and vocal green lobbies -- the idea seems against nature.如果你想在某次晚宴上挑起一场激烈的争论，那就提出转基因食品的话题吧。
对许多人来说，高科技的转基因作物生产的概念会带来诸如环境、健康、安全和伦理等方面的各种问题。
特别是在有悠久的农业生产传统和主张环保的游说集团的国家里，转基因食品的主意似乎有悖自然。
In fact, genetically modified foods are already very much a part of our lives. A third of the corn and more than half the soybeans and cotton grown in the US last year were the product of biotechnology, according to the Department of Agriculture. More than 65 million acres of genetically modified crops will be planted in the US this year. The genetic is out of the bottle. 事实上，转基因食品已经成为我们生活重要的一部分。
转基因食品英语作文
转基因食品英语作文Genetically Modified Foods。
Genetically modified foods, also known as genetically engineered foods or biotech foods, refer to foods that have been modified through genetic engineering techniques. The genetic material of these foods has been altered in a way that does not occur naturally through mating or natural recombination. The objective of genetically modifying foods is to improve their nutritional value, increase their resistance to pests and diseases, and enhance their shelf life.The debate over genetically modified foods has been ongoing for many years. Supporters argue that genetically modified foods can help to address the world's foodsecurity challenges by increasing crop yields and reducing the use of pesticides and herbicides. They also argue that genetically modified foods are safe for human consumption and have undergone extensive testing and regulation.However, opponents of genetically modified foods argue that they pose potential health risks, including allergic reactions and the development of antibiotic resistance. They also argue that genetically modified foods can have negative environmental impacts, including the development of superweeds and the loss of biodiversity.Despite the controversy surrounding genetically modified foods, they have become increasingly prevalent in the global food supply. Many countries, including the United States, China, and Brazil, have approved the commercial cultivation of genetically modified crops. In addition, many processed foods contain genetically modified ingredients, such as corn, soybeans, and canola.In conclusion, the debate over genetically modified foods is complex and ongoing. While supporters argue that they can help to address the world's food security challenges, opponents argue that they pose potential health and environmental risks. As consumers, it is important to educate ourselves about the potential benefits and risks ofgenetically modified foods and make informed decisions about what we choose to eat.。
转基因食品英语作文200
转基因食品英语作文200Genetically Modified Foods。
Genetically modified (GM) foods have been a topic of debate and controversy for many years. The process of genetic modification involves altering the DNA of plants or animals to produce desired traits, such as resistance to pests or improved nutritional content. While some people believe that GM foods hold the key to solving world hunger and improving food security, others are concerned about the potential risks to human health and the environment. Inthis essay, we will explore the arguments for and against genetically modified foods and consider the implications of their widespread use.Proponents of GM foods argue that they offer a range of benefits, including increased crop yields, reduced use of pesticides, and improved nutritional value. By introducing genes that confer resistance to pests and diseases, scientists can help farmers to produce more food on lessland, which is particularly important in a world with a growing population and limited arable land. In addition, GM crops can be engineered to contain higher levels of essential nutrients, such as vitamin A or iron, which could help to address malnutrition in developing countries. These potential benefits have led many experts to advocate for the widespread adoption of GM foods as a means of addressing global food security challenges.On the other hand, opponents of GM foods raise concerns about the potential risks to human health and the environment. One of the main worries is that consuming GM foods could have long-term effects on human health, as the full implications of altering the genetic makeup of plants and animals are not yet fully understood. There are also concerns about the impact of GM crops on biodiversity, as the introduction of modified genes into the environment could have unintended consequences for native species. Furthermore, the use of GM crops has raised questions about the control of the food supply by a small number of agrochemical companies, which could have negative implications for small-scale farmers and food sovereignty.In conclusion, the debate over genetically modified foods is complex and multi-faceted. While there are potential benefits to be gained from the use of GM crops, there are also legitimate concerns about their safety and environmental impact. As such, it is important for policymakers, scientists, and the public to engage in informed and transparent discussions about the future of GM foods. Ultimately, the decision about whether to embrace or reject genetically modified foods will have far-reaching implications for the future of agriculture and food production. It is essential that this decision is made with careful consideration of the potential risks and benefits, and with the best interests of all stakeholders in mind.。
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The origin of genetically modified food
• The first kind of genetically modified crops is a kind of antibiotics contains antibodies, 1983 to cultivate tobacco. Ten years later, the first kind of marketization of genes in the food, it is can delay maturation of tomato plants. Until 1996 by the tomato, tomato loaves of food production, sale to allow in the supermarket. Thereafter, genetically modified foods. According to the statistics, the us food and drug administration has 43 species of genetically modified varieties. The United States is genetically modified food most populous country, 60% of processed foods contain genetically modified ingredients, 90% of soybean, more than 50% of corn, wheat is altered. Genetically modified foods have genetically modified plants, such as: tomato, potato, corn, and transgenic animals, such as fish, beef, lamb, etc. Although genetically modified foods and ordinary food on the palate not much difference, but the transgenic plants and animals have obvious advantage: high quality, insect resistance, herbicide, antivirus, improved quality, adversity survival, etc.
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The example for the harm of genetically modified food
• August 10, 1998, senior nutritionists Rowett Scottish institute of Arpad Pusztai doctor announced a research results, says turn snowdrops lectin gene GNA (of) the potatoes to rat organs and immune systems, and cause damage to human, similar effects may cause cancer incidence and mortality rates have risen sharply. Although scientists and the scientific community on the study of experimental design and analysis of the results have different views, but because Pusztai dr international research lectin authority, so the study of scientists social influence is very big. • Scientists have found that a seed company cultivate turn Brazil nuts 2S albumin genes of soybean seed storage protein will probably make the crowd to Brazil nut allergy produce allergic reaction.
• In 1998 the Aberdeen institute report, he allowed after non-gm potatoes abnormal organs, weight loss, the immune system. Another experiment is British food standards association do a human experiment - 12 healthy olunteers with seven surgical resection of the volunteers in the colon part of genetically engineered soybeans contain eat hamburgers and milk cream, found healthy feces found no GMS in transgenic, but who had colonic participants feces found 3.7% soybeans genetically modified indeed. This result can hint us: the DNA fragments of genetically modified food will enter human gut bacteria in the body of a little
Genetically Modified Foly modified food’s produce
• Earth population is larger and larger, and the land and resources such as less energy. Nearly 21 million a year globally lost production ability. Arable land hectares This is not obstruct the trend by 2020, the world population will also add 20 million people, has been faced with food shortages, lack of energy and environmental pollution crisis of survival. China will achieve by 2030, 16 million population of about 6.5 million tons of grain to produce the output, increased by 50% in the existing technology, and cultivated land basic support so greatly improve the yield. Besides, the human also wanted more healthy, more comfortable life,...