This part is for the advanced snake-holder. If you have already become accustomed to your snakes, you might want to learn more about their provenance, their distribution and their biology. And even though these topics seem to be a little dry, I try to give practical explanations.
Under color variations you can find all color variations that are known and verified for Thamnophis and also the terms used for the different morphs.
Under genetics I tell you about the genetic fundamentals of certain color variations : How are special traits inherited? Is heredity pure chance?
If you are planning to breed color variations you absolutely need to know these basics.