You're asking specifics of how it will be done, and we don't know it yet. It will be done, because we do know these variations do exist. I don't see how a targ

You're asking specifics of how it will be done, and we don't know it yet. It will be done, because we do know these variations do exist. I don't see how a targeted genetic alteration is any worse than the millions of random ones that you get though regular fertilization. As for looking in the eyes, well, progress always has victims. If you don't want to do it, then don't do it. Some other parents will.