LAKYN CLINE & AMBER OSBORNE Genetically Modified Foods.

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Presentation transcript:

LAKYN CLINE & AMBER OSBORNE Genetically Modified Foods

What are genetically modified foods? Genetically modified foods are foods that come from genetically modified organisms. These foods have had specific changes introduced into their DNA by genetic engineering techniques.

Most of the time genetically modified foods are transgenic plant products. Corn Canola Rice Cotton seed oil Soybean

Food Properties of the genetically modified variety Modification Percent Modified in US Percent Modifie d in World Soybean s Resistant to glyphosate or glufosinate herbicides Herbicide resistant gene taken from bacteria inserted into soybean 93%77% Corn Resistant to glyphosate or glufosinate herbicides. Insect resistance via producing Bt proteins, some previously used as pesticides in organic crop production. Vitamin- enriched corn derived from South African white corn variety M37W has bright orange kernels, with 169x increase in beta carotene, 6x the vitamin C and 2x folate. New genes, some from the bacterium Bacillus thuringiensis, added/transferred into plant genome. 86%26% CottonPest-resistant cotton Bt crystal protein gene added/transferred into plant genome 93%49% Rice Golden Rice: genetically modified to contain beta-carotene (a source of vitamin A) Current version of Golden Rice under development contains genes from maize and a common soil microorganism. Previous prototype version contained three new genes: two from daffodils and the third from a bacterium Forecast to be on the market in 2013 Canola Resistance to herbicides (glyphosate or glufosinate), high laurate canola New genes added/transferred into plant genome 93%21%

Pros Genetically engineered foods are cost effective. It can help people who live in areas where regular crops don’t prosper. Most of the time the foods are naturally pest- resistant, which reduces the need for chemicals. Genetically engineered foods could possibly help reduce world hunger.

Cons It is not known if the foods can harm the human body. Unless the food is directly given to a country, some of the poor countries will not have easy access to them.