Food allergies have increased from 3.4 percent to 5.1 percent between 2009 and 2011. Over 20 farmers in North America report pigs and cows became sterile from GM corn. Advantages and Disadvantages of GM Foods ... BT toxin, which is designed to kill pests that eat crops, can cause allergies and other responses. Beginning in the mid-1990s, crop plants expressing Bt genes were commercialized in the United States. The only difference lies in that Bt corn isn't subjected to ionizing radiation of say, Cobalt 60 or Cesium 137. GMO corn is not new, say the agricultural historians reporting for "Public Library of Science-Biology." Monsanto's genetically-modified "Bt corn" has been equipped with a gene from soil bacteria called Bt (Bacillus thuringiensis), which produces the Bt toxin.

Corn was originally domesticated in Mexico 10,000 years ago by cross-pollination, transforming teosinte, a nondescript grass, into full-eared, modern corn. High Cost of seeds . It's a pesticide that breaks open the stomach of certain insects and kills them. The safety of this product is based on a single 90-day study on rats. Bt Corn Learn about how researchers are manipulating selective pressures in order to try and slow the development of Bt-resistant pests in this video segment (5m 22s) on Teachers' Domain. Pardon the pun but when it comes to biotechnology, corn (Zea mays Linn.) Insect resistance is known as Bacillus thuringiensis (Bt), the bacterial source of a protein that is toxic to insects and protects crops from pest damage; as technology has grown to include resistance to additional pests such as corn rootworm and corn earworm, so has adoption of Bt crops . People all around the world have traced toxic or allergic reactions to eating GM products, touching GM crops at harvest, and breathing in GM pollen. Why Bt Cotton - Pros and Cons. Mice fed GM Bt potatoes experienced intestinal damage. This pesticide-producing corn entered the food supply in the late 1990s, and over the past decade, the horror stories have started piling up. Bacillus thuringiensis (Bt) is a naturally occurring soil bacterium that produces proteins active against certain insects. Here We Go Again: Bt Corn and Monarch Butterflies; August 25, 2000: CBS Evening News aired yet another story about Bt corn and monarch butterflies on Monday, August 21. It's like counting the pluses and the minuses of irradiated food. Genetically modified organisms Part 2: Pros and Cons … – There are numerous concerns regarding the usage of GMOs and most of them can be lumped into three main categories: ethical, human health, and environmental. A quarter of sheep died after grazing in GM Bt cotton fields for a week.

Although approved and defended by the Food and Drug Administration (FDA), the pros and cons of rBGH remain hotly debated between large biochemical companies and the dairy industry on one side, … 2. ranks second to none when eaters and non-eaters alike consider the pros and cons of Bt corn. Support crop growth: Fertilizers give a quick boost to the soil by increasing nutrients in the soils.This results in a healthy growth of crops. Although bt cotton seeds are affordable for large scale agriculture, the seeds are too expensive for small industry farmers. Bt cotton offers an opportunity to reduce use of pesticides more hazardous than the toxins produced by the Bacillus thuringiensis (Bt) bacterium.

To begin our list of GMO pros and cons, GMO foods have the ability to help consumers who have allergies. PROS and CONS of Transgenic Crops: Environmental Considerations: PROS: IMPROVEMENTS IN LAND USE One of the key arguments in favor of certain transgenic crop varieties is their potential to improve crop quality and yield normally lost to pests. What are the benefits? Pros: 1.

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