If the idea is that inbreeding is the problem I don't really see that as a likely problem unless the original morph had a major genetic problem. If the original animal was a male it could be bred to 10 different females a year for several years just to get enough to start a commercial operation and that would have a lot of genetic diversity.
I don't really believe that at least iguanids suffer from inbreeding like other animals do. Most cyclura and island living ctenosaura and iguanas were started with very few founding animals (as little as 1 gravid female)and after hundreds and thousands of years inbreeding they doing fine and evolving into new species, sub species, or color varieties depending on how long they have been isolated.
This is really a very long conversation in person but this is a basic summery.
Rob

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