there are none that are scientifically proven to harm humans . However it may harm, kill, disable or impair the organism that is modified.
Organic crops are non GMO, but GMO crops of the same kind can cross pollinate with them, resulting in contamination of the organic crops.
GMOs can be found in crops, such as corn, soybeans, cotton, canola, papayas, wheat, acorn squash, Golden rice, and others; medicines, such as insulin; organic crops that have been contaminated by GMO crops, foods that include GMO ingredients, dog and other pet foods made with GMO ingredients, etc. Geographically, GMOs can be found in at least 85% of the corn and soyboans grown in the United States, crops in Canada, and crops in other countries that allow use of GMO crops.
It is opposed by some organizations and individuals because they are not convinced that the safety of the crops to the environment or human health has been proven, the regulatory process in the U.S. appears to have been influenced by those who develop and profit from the technology, etc.
GMOs are not caused, but produced. GMO is the abbreviation for Genetically Modified Organism. Basically, the process of genetic engineering removes a section of DNA from one organism, often a bacteria or virus, and inserts it into another organism, often a crop like corn or soybeans. The majority of genetically modified crops have been modified to withstand direct spraying of synthetic weed killers, or to produce a substance within the plant itself that kills insects when insects feed on the plant. The use of this technology is controversial, but to answer your question directly, many would say the "cause" is economical for the producers of the GMOs, since when they modify a crop genetically, the modified plants are considered unique organisms that can be (and are) patentable.
No, they do not. There are no laws that protect consumers if they do not want to eat GMOs. The consumers' only choice if they wish to avoid eating GMOs is to stop eating lots of foods that may contain GMOs.
Spread of GMOs is the unwanted cross pollination of GMO crops with non-GMO and organically grown crops. Unchecked spread means that it is being allowed to happen without measures to avoid it being taken.
Organic crops are non GMO, but GMO crops of the same kind can cross pollinate with them, resulting in contamination of the organic crops.
This method is called genetic modified organisms. (GMOs).
GMOs can be found in crops, such as corn, soybeans, cotton, canola, papayas, wheat, acorn squash, Golden rice, and others; medicines, such as insulin; organic crops that have been contaminated by GMO crops, foods that include GMO ingredients, dog and other pet foods made with GMO ingredients, etc. Geographically, GMOs can be found in at least 85% of the corn and soyboans grown in the United States, crops in Canada, and crops in other countries that allow use of GMO crops.
crops
An advantage to using fertilizer is a greater crop yield. A disadvantage is the pollutants involved, and potential contamination to humans, via crops and groundwater.
One problem GMO crops pose for farmers who do not grow them is cross pollination of GMOs in non-GMO crops, especially those that are grown organically.
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Non-organic foods often contain additives, GMOs, preservatives, etc. which may not be good for health.
One benefit of GMO production was said to be that less herbicides would be used on them. This; however, has not proved to be the case after they were used for several years. After years of using them, it appears that the use of glyphosate has doubled due to the use of glyphosate resistant crops.
Organic and GM food is not exactly opposite, but foods that are grown and sold as "100% organic" cannot intentionally contain GMOs. It is possible, though, that cross pollination of GMOs with organic crops of the same kind could happen unintentionally.
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