You may be right that genetics may be involved. It literally doesn't matter what I write, people engage in the most frantic sort of rule lawyering to find some reason not to understand the simplest concepts. "But what if I'm a Denebian slime devil and my child is Great Cthulhu?" "Do these rules possibly spell out some kind of secret principle of doom if I take the right letters out of sequence?" Okay, I'm exaggerating, but sometimes it doesn't feel like it.