Unless you have molecular evidence or breeding evidence to back that up for the species involved, I'm not buying it. Genetics are highly varied. The traits you listed are totally seperate traits that code for drasitcally different things and would be located on totally seperate loci. The patternless gene codes for something totally different than the axanthic gene. One wipes out pattern, the other wipes out color genes.

The code for hypomelanism could be on the same locus for each different strain, not several different loci. For example, with ball pythons, hypo is not compatable and when breeding different hypo strains together, you don't get double hets. This is also seen with the different albino strains in balls. If you bred a lavender albino with a normal albino, you DO NOT get double hets. You get animals that are het for either strain with no way of knowing which is which.

I also have had direct contact with breeders who have been working with bull snakes longer than most of us. They too have said that hypo lines are incompatable and the resulting animals are het for either strain without know which is which.

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