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This can be done many ways. One is using an antibody-based test such as the enzyme-linked immunosorbent assay (ELISA), which can detect the proteins that are produced by GM crops. However, the ELISA is not useful for testing foods that is highly processed, because the proteins most likely destroyed & different GM foods produce different proteins.

Another way is to use polymerase chain reaction (PCR) to look at the DNA sequence common in GM foods. DNA is more resistant than proteins in processing & can be extracted from heavy processed foods. It is the GMO DNA sequences that's being looked for & tested.

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Assunta Fisher

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2y ago
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10y ago

Since GMO foods are not labeled, you cannot know if they contain GMOs. You can; however, know what foods do not or only contain small amoiunts of GMOs by going to the Non GMO Project website. They have a list of food products that have been tested for GMOs.

If a food product in the United States contains soy, corn, or canola, it is likely that it is a GMO food, unless it has the "Non GMO Project" logo or "100% organic" on the package. Even then, the food could contain small amounts of GMOs due to GMO crops cross pollinating with organic or non GMO crops.

It is estimated that 70% or more of the processed foods sold in grocery stores in the United States contain GMO ingredients.

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13y ago

This can be done many ways. One is using an antibody-based test such as the enzyme-linked immunosorbent assay (ELISA), which can detect the proteins that are produced by GM crops. However, the ELISA is not useful for testing foods that is highly processed, because the proteins most likely destroyed & different GM foods produce different proteins.

Another way is to use polymerase chain reaction (PCR) to look at the DNA sequence common in GM foods. DNA is more resistant than proteins in processing & can be extracted from heavy processed foods. It is the GMO DNA sequences that's being looked for & tested.

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10y ago

You don't know when the foods containing GMOs are not labeled, unless the food is labeled "Non GMO Project" or "100% organic." Even then, they might contain small amounts of GMOs due to contamination during processing or cross pollination from GM crops while growing in the field.

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11y ago

There is only one way to absolutely identify whether a food or crop is a transgenic GMO, and that is to have its DNA laboratory tested. In the US and Canada, there are some crops such as corn and soybeans which are almost certainly GMO, since they have become so popular with farmers.

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10y ago

You usually can't. They are not labeled and are often ingredients in processed foods. Since a large percentage (as high as over 90% of the corn and soy grown in the United States) is GMO, it is safe to assume that any food containing corn or soy is a GMO product unless it is labeled 100% organic. Due to cross pollination of GMOs with organically grown corn and soy, there may be small amounts of GMOs in organic foods.

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14y ago

by using a gene gun to geneticaly modify it

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10y ago

The bar code has nothing in it that indicates a food contains GMOs, so you can't tell from the bar code.

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Q: How is genetically modified food made?
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Related questions

Why do you need genetically modified food?

There is a lot of talk about how genetically modified food is needed, but no real evidence that it is needed.


What can happen if you eat food that's not been genetically modified?

death. Nothing, food that hasn't been genetically modified is natural food. The kind of food people have been eating for thousands of years. Something is more likely to happen to you if you eat genetically modified food.


Why genetically modified food is required?

It isn't.


Is genetically modified food in Lebanon?

Yes


How was genetically modified food created?

Genetically modified food is created in a lab by removing a gene from one organism and forcing it into an organism of a different species.


What action has been taken to try and prevent genetically modified food technology developing?

No movement to try to prevent the development of genetically modified food technology is known. There are; however, people who choose not to eat food that is known to be genetically modified, due to questions about the health and environmental effects of genetically modifying plants used for food.


What foods cannot be genetically modified?

Any food that comes from a plant, animal, or other living thing can be genetically modified.


What does GMF stand for?

GMF = Genetically Modified Food


When did genetically modifying foods begin?

The first genetically modified food began in 1994. Scientist genetically modified a tomato which didn't ripen so quickly after it was picked.


What are three foods that can be genetically modified?

Any food can be genetically modified through genetic engineering. Three foods that have been genetically engineered are corn, soy, and canola.


What is Genetically modified food about?

Its almost the same as cloning fruit.


What are the human rights of genetically modified food?

none, not human