Genetically Modified Foods Genetically modified foods are those that have been created from organisms that have had distinct alterations brought into their DNA using genetic engineering. These foods have been modified to heightened preferred traits such as increased nutritional content. These enhancements are usually done through breeding of the organisms, although much of the controversy comes from the fact that traditional plant breeding is often inaccurate. The consequences of consuming genetically modified organisms are widely unknown. However, the upkeep of using genetically modified organisms within crops require a large amounts of pesticides, herbicides and fungicides. These foods may have some unpredictable consequences.