In this case, the rats were eating a type of GMO corn, more commonly known as , a microbe that produces insecticidal endotoxin and has been used as a topical pesticide against insects since 1961 (see this article).To allow corn to directly generate this endotoxin, scientists introduced a gene from into the genetic material (DNA) of corn.Summary: As the prevalence of genetically modified organisms (GMOs) continues to rise, there has been an increasing public interest for information concerning the safety of these products.Tags: How To Write A Strong Thesis Statement A Writing Centre HandoutsArgumentative Essay Example On AbortionLearn English Essay WritingMedia Control Persuasive EssaysChild Development AssignmentBusiness Plan For Apartment ComplexWater Cycle Essay RubricNational Merit Scholarship Essay PromptEssay About Earth PollutionPainted Babies Essay
To address buildup of toxicity over time, this group monitored the GMO-eating rats not only for the lifetime of one generation, but also three additional generations.
For each generation, they tracked the fertility of parents and compared the health of the embryos from parents that ate corn to those with parents that did not .
Likewise, ingestion by pregnant mothers had no effect on fetal, postnatal, pubertal, or adult testicular development of her offspring.
Other groups have monitored toxicity over time as well.
An example of this research is a study carried out on a type of GMO potato that was genetically modified to contain the gene is an enzyme that can detoxify herbicides and thus protects the potato from herbicidal treatment.
In order to see if this GMO potato would have adverse effects on consumer health like those claimed by the IRT, a group of scientists at the National Institute of Toxicological Research in Seoul, Korea fed rats diets containing either GMO potato or non-GMO potato . To carefully analyze the rats’ health, a histopathological examination of tissues and organs was conducted after the rats died.
They fed the rats over 7,000 times the average human daily consumption of either GMO or non-GMO tomato or sweet pepper for 30 days and monitored their overall health.
Finally, they carried out histopathology and again found no differences in the stomach, liver, heart, kidney, spleen, or reproductive organs of GMO versus non-GMO fed rats.
After genetically modified foods were introduced in the United States a few decades ago, people independently reported toxic effects caused by GMOs.
One example is an anti-GMO advocacy group called the Institute for Responsible Technology (IRT), which reported that rats fed a diet containing a GMO potato had virtually every organ system adversely affected after just ten days of feeding .