> My understanding is that at least some (if not all) GMO's are produced by bombarding an organism's genetic material with radiation and then separating out mod

> My understanding is that at least some (if not all) GMO's are produced by bombarding an organism's genetic material with radiation and then separating out modified organisms that seem to be useful. GMOs usually refer to a more targeted approach to gene introduction. In the US, a food can be labeled organic and GMO-free even if it was developed with chemical or radiation mutation breeding.