It goes back to rule #1, you are what you eat, folks. If you eat genetically modified food, you will modify your genetic makeup. Every day, the food you eat changes your chemistry, turns gene switches on and off, so to speak. It can be for the good, or the bad. Sometimes it may not have any noticeable effect on you, but can wreak havoc on your children, and your childrens children.
It is totally foolish to think that "they" are culturing these beasts in a lab for your benefit. We have come this far, and thrived, without splicing and dicing, and you're going to show me a handful of test results that amounts to a fart in the wind compared to a sweet potato, which we have been eating for ten thousand years, give or take.
Epigentics! Google it, it's one of the latest and greatest in science.