This paper examines genetically modified (GM) crops as a present and future food source, drawing on scientific research and public opinion to weigh the key arguments on both sides. It traces the origins of GM crop technology to the 1980s, explains the gene-transfer process, and outlines potential benefits such as increased crop yields, drought resistance, reduced pesticide use, and lower food costs. The paper also addresses significant concerns, including environmental risks from gene escape, wildlife disruption, high seed costs for developing-world farmers, and the absence of long-term human health data. The paper concludes that continued rigorous, long-term study is essential before GM crops can be widely trusted by consumers and policymakers alike.
The paper models how to integrate direct quotations from sources as evidence rather than padding. Each block quote from Goldstein and Goldstein or Toke is followed immediately by the writer's own analytical sentence explaining its significance, demonstrating the "quote, cite, analyze" pattern that is central to academic argumentation.
The paper opens with a definition and history of GM technology, then moves through a sequence of benefit claims (food security → water/drought → environment → consumer economics) before pivoting to a corresponding sequence of criticisms (gene escape → wildlife disruption → cost barriers → long-term health unknowns → public bans). The conclusion calls for continued long-term research, providing a measured resolution rather than a definitive verdict. This problem–solution–complication–reassessment structure is well suited to controversial science topics.
Genetically modified (GM) crops are already on the shelves of many supermarkets, yet they remain deeply controversial. This paper discusses the positive and negative responses from scientists and the general public to genetically modified foods, and assesses the potential of GM crops as a source of food both now and in the future. Whatever the outcome of the ongoing debate, it is likely to remain controversial for years to come.
GM crops and foods are not brand-new technology; they have existed for many years. Studies into genetically modifying plant crops began in the 1980s (Goldstein and Goldstein, 2002, p. 235). Most GM crops are plants that scientists and researchers have genetically altered by transferring specific genes — or segments of DNA — from one plant to another in order to create special characteristics such as hardiness, faster growth, or the ability to repel pests and weeds. Some people call this process "genetic engineering." In essence, scientists "cut and paste" a gene from one organism into a plant's DNA to give it a new characteristic (Editors, 2005).
The term GM most often refers to crop plants, but it can apply to any living organism — "such as pets that glow under UV light to bacteria which form HIV-blocking 'living condoms'" (Pickrell, 2004). Some people equate GM crops with biotechnology, and the terms are often used interchangeably, but that is not accurate: biotechnology involves many different types of research and development, of which GM crops are only one aspect.
Scientists hope to continue refining and developing GM crops for a number of reasons. First, the Earth's population is growing, and many researchers believe that GM crops represent the hope of the future when it comes to feeding an ever-growing global population. As Goldstein and Goldstein (2002, p. 234) note, a 2000 article in Environment reported that about 15% of the world's population — roughly 800 million people — consumed fewer than 2,000 calories per day, living in a state of chronic malnourishment. GM crops are often easier to grow, more resistant to disease and pests, and could prove to be the salvation of many developing countries that currently suffer food shortages.
Goldstein and Goldstein (2002, p. 233) also quote research showing that "the acreage devoted to herbicide-resistant crops has been expanding because planting them reduces the need to plow more ground, decreases the amount of herbicidal chemicals needed, produces higher yields, and can deliver a higher grade of grain and other products." Furthermore, different types of enhanced grains and cereals are in development that could add more calories and nutrients to crops, helping to sustain more people more adequately than current diets allow (Goldstein and Goldstein, 2002, p. 239). This represents one potential solution to global hunger and future food crises.
In addition to hunger and population concerns, the world faces a growing water crisis in many regions. Much of the American Midwest and West, for example, is heavily agricultural yet increasingly affected by drought. GM crops could help address this impending water crisis by producing hardier plants that survive and thrive on less water. This could prove cost-effective for farmers, sustain crop yields during drought conditions, and help feed people in developing countries that have limited access to irrigation.
While the use of GM crops in food is extremely controversial, there are many documented positive aspects. In Great Britain, the Botanical and Rotational Implications of Genetically Modified Herbicide Tolerance (BRIGHT) project examined two crops genetically engineered for herbicide tolerance — sugar beets and oil-seed rape — comparing them with non-GM cereal crops grown in normal rotation. The project concluded that the "GM varieties used in this way did not deplete the soil of weed seeds needed by many birds and other wildlife," and were therefore not harmful to the environment (Black, 2004). This finding is especially important because a common charge against GM crops is that they harm the environment and wildlife. Research of this kind suggests that many arguments against GM crops may not be well founded, and that further development of GM varieties could be justified.
Another positive aspect is that many GM crops are already successfully in production and have been for several years, indicating that they are sufficiently safe and hardy to sustain ongoing planting cycles. As Toke (2004, p. 9) states, "Many types of herbicide-tolerant crop are available including corn (maize), soya, canola (oil-seed rape) and sugar beet. Herbicide-tolerant soya has been the most successful, being grown by the U.S.A. and Argentina, the first and third biggest global soya producers." Moreover, although many consumers may not realize it, GM crop derivatives have been added to a wide variety of products available in supermarkets across the country. Goldstein and Goldstein (2002, p. 231) quote the FDA, noting that "tomatoes, potatoes, squash, corn, and soybeans have been genetically altered through the emerging science of biotechnology. So have ingredients in everything from ketchup and cola to hamburger buns and cake mixes." This indicates that despite widespread public concern, GM foods have been in the food supply for many years without showing adverse effects in people or animals.
One major advantage of GM crops for farmers is that crops can be engineered to resist weeds and pests, enabling farmers to decrease pesticide and herbicide use. This reduces costs while also making food safer for consumers — a win-win outcome for both producers and buyers.
GM crops still face controversy, and they should continue to face scrutiny by scientists, researchers, and the public. As Toke (2004, p. 8) writes, "At the end of the day, GM food and crop technology will be judged by what it can do for the farmers who grow them, consumers who have to eat them, and also on judgements about the environmental acceptability of GM crops." Studies should continue, and they should be conducted over long time periods so that researchers can fully understand the long-term effects of GM crops on humans, animals, and the environment. Once more comprehensive studies are completed, the world will be better positioned to determine whether genetically modified foods can be trusted — and that clarity may ultimately make these crops far more acceptable to consumers and the agricultural community alike.
You’re 59% through this paper. Sign up to read the remaining 2 sections.
Sign Up Now — Instant Access Already a member? Log inAlways verify citation format against your institution’s current style guide requirements.