Interesting ideas, Rusty. It seems strange that genes controlling the production and/or deposition of melanin would have an affect on the reds and yellows, but as Vinny pointed out, it's not out of the question.

Just to throw another wrench in the gears, Shannon pointed out a while back that there are two (I believe) forms of the anyerythristic/hypoerythristic trait in the hobby. There's a good chance that one is hypoerythristic while the other is anerythristic. That alone could account for the differences we see in the different snows and pearls. Add to that the increasing liklihood that there are several different forms of tyrosinase-positive amerlanism and hypomelanism masquerading under yhe name "hypomelanism" and we've got quite the mess to figure out!
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-Cole

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