Genetically modified crops, done so for the purpose of increasing overall yield, resistance to pests, and other reasons. Been around for awhile, yet nobody has grown an extrahead or suffered cancers associated with it.
Frankenfood is a scare term used by European agricultural interests trying to take trade share from US growers; and also used by ignorant folks using it as a lame excuse for yet more yankbashing.
an automobile that was manufactured by ford that was wrecked or damaged so badly It had to be fixed with another half of a diffident but also wrecked Ford automobile.
My car was in a wreck, they fixed it with another frontend from another wrecked car, Its a real Frankenford.