In simple terms, an epistatic gene is one in which when combined with other genes, it stays dominant. Meaning, if you breed the leucistic gene to anything else you will always wind up with white snakes.

What will a leucistic conda or superconda look like? How about a leucistic red phase? How about the leucistic axanthic, albino, hypo, toffee, and so on? I am gussing they will all be white and maybe with different color eyes.

I also want to point out that we can not compare ball pyhons with hognose snakes. Bps lay on average 6 to 9 eggs per season whereas hogs can lay up to 50 a season if allowed to double clutch.

But if you want to use that as an example, what held its value longer, leucistic or pied ball pythons?