Remember when I wrote about wheat in Why You Should Store Wheat for Survival? For heaven’s sake, do not purchase wheat if you do not know how to use it. Of course, it would not hurt to learn about wheat. Freshly ground, it makes a heavenly loaf of bread the only problem being that it is so good you may eat too much and gain 50 pounds which would be another problem entirely.
It isn't hysteria, and GMO isn't 'evolution'. One of the biggest issues for preppers and survival is that GMO seeds will not reproduce in the same way if the seeds are saved and re-used. In fact, in many instances (maybe all?), it's illegal to save the seeds and re-use them! It's far better to track down heirloom seeds that are native to your area and/or compatible with your climate. A good place to start looking is ×