Breeding two incompatable recessive traits,would produce "normal looking" double heterozygous in the first generation. In order to then have a shot at double homozygous animals,those would have to be bred to each other. As far as what they would look like phenotypiclly...I don't know...if anyone has done it, I haven't heard anything about it...a "super" is nothing more than a homozygote. If the heterozygous version of a specific trait is "normal", then the trait is catagorized as recessive,if the het. looks different from "normal",but doesn't resemble the homozygous version either then it is catagorized as "co-dominant". if you can't reliably discern het. from homo. but both clearly are not normal, the trait is dominant. This is a simplified version of basic principals that we use in the reptile hobby,there are sometimes exceptions,as well as grey areas,because we don't make the rules,we simply interpret the results as best we can in order to make sense,and try to predict the outcome in a given breeding trial...hope this helps,and makes some sense to those that are sometimes baffled by genetics.
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Captive born excellence through applied genetic theory...and,astute observations based on a keen sense of the sometimes painfully obvious

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