Genetically Engineered Foods


Yashicavashishtha1065

Uploaded on Feb 25, 2022

Category Education

PPT on Genetically Engineered Foods.

Category Education

Comments

                     

Genetically Engineered Foods

GENETICALLY ENGINEERED FOODS INTRODUCTION Genetically engineered (GE) foods have had their DNA changed using genes from other plants or animals. Scientists take the gene for a desired trait in one plant or animal, and they insert that gene into a cell of another plant or animal. Source: medlineplus.gov FUNCTION Genetic engineering can be done with plants, animals, or bacteria and other very small organisms. Genetic engineering allows scientists to move desired genes from one plant or animal into another. Genes can also be moved from an animal to a plant or vice versa. Another name for this is genetically modified organisms, or GMOs. Source: medlineplus.gov PROCESS TO CREATE GE FOODS The process to create GE foods is different than selective breeding. This involves selecting plants or animals with desired traits and breeding them. Over time, this results in offspring with those desired traits. Source: medlineplus.gov SELECTIVE BREEDING One of the problems with selective breeding is that it can also result in traits that are not desired. Genetic engineering allows scientists to select one specific gene to implant. This avoids introducing other genes with undesirable traits. Genetic engineering also helps speed up the process of creating new foods with desired traits. Source: medlineplus.gov POSSIBLE BENEFITS 1. More nutritious food 2. Tastier food 3. Disease- and drought-resistant plants that require fewer environmental resources (such as water and fertilizer) 4. Less use of pesticides 5. Increased supply of food with reduced cost and longer shelf life 6. Faster growing plants and animals 7. Food with more desirable traits, such as potatoes that produce less of a cancer-causing substance when fried 8. Medicinal foods that could be used as vaccines or other medicines Source: medlineplus.gov CONCERNS ABOUT GE FOODS 1. Creation of foods that can cause an allergic or toxic reaction 2. Unexpected or harmful genetic changes 3. Inadvertent transfer of genes from one GM plant or animal to another plant or animal not intended for genetic modification 4. Foods that are less nutritious Source: medlineplus.gov BIOTECHNOLOGY Biotechnology is providing us with a wide range of options for how we can use agricultural and commercial forestry lands. The cultivation of genetically modified (GM) crops on millions of hectares of lands and their injection into our food chain is a huge global genetic experiment involving all living beings. Source: medlineplus.gov RECOMBINANT DNA TECHNOLOGY The use of recombinant DNA technology has the potential to allow the creation of an organism which is desired and designed by human. Genetically Engineered Food (GEF) means any food containing or derived from a genetically engineered organism. Source: medlineplus.gov SOCIAL AND ETHICAL CONTRADICTIONS The emergence of agricultural biotechnology has created social and ethical contradictions. The widespread debate exists as to how biotechnology can be used for planting high quality high yield crops while protecting eco- system and human health. Source: medlineplus.gov RISK FACTOR Seed companies argue that viruses have been engineered to be dormant in plant cells and therefore they are safe. Contrary to these claims, studies have shown that viruses, lacking the gene needed for movement, can easily gain it from neighboring genes Source: medlineplus.gov