It comes down to the distinction between different mutations of the same gene (alleles) and different mutations of different genes. Fire seems to be a different gene all together from the blue eyed leucistic complex.



It's looking like lesser, butter, mojave, mocha, Vin Russo, phantom, mystic, special, hidden and probably a few others are all mutations of the same gene. It's arguable if some might be the same mutation (lesser/butter and also phantom/mystic) but at least some are distinctly different mutations of the same gene like mojave and lesser. Not all the combos are completely white (homozygous mojave has a dark head, lesser with hidden is a platy, mojave with special is a crystal, and the homozygous phantom and the mojave with mystic are grayish purple animals).



However, fire X fire produces a black eyed leucistic and I understand that combos like fire and mojave don't produce a white snake with either black or blue eyes. I don't think I've heard for sure that the mojave fire can produce normals to be absolutely sure they are separate genes but so far it seems likely. There is a mutation called sulfur that was proven compatible with fire (in producing white snakes) so there we may have the start of a black eyed leucistic complex if sulfur and fire are confirmed to be distinctly different mutations.



There also seems to be another multiple mutant allele complex around yellow belly, whirlwind, specter, and probably a few other variations with whirlwind and specter possibly being the same thing.

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