Paul is right that we really need proof that cinnamon and black pastel are alleles but it does seem likely they are. I suppose by now someone has taken the solid colored snake produced from a cinnamon to black pastel breeding and bred that solid colored snake to a normal and could confirm if they got any normals or solid colored snakes disproving cinnamon and black pastel being alleles. But I don't remember hearing the results but would be surprised if they weren’t alleles.



I believe when cinnamon was first named "cinnamon pastel" it was before it was even proved genetic and the name may have been from comparisons with pastel which had already been proven. Now day's "pastel" is usually dropped off the cinnamon name and I think that is a good thing to avoid confusion. Unfortunately "black" doesn't sound descriptive enough to probably catch on as a shortening of "black pastel" to avoid the confusion on that side too.



When I first saw the pewter from the pastel X cinnamon breeding I thought its stunning appearance was a good indication that pastel and cinnamon might be alleles. But since then breedings have proven that cinnamon and pastel are not alleles (and probably aren't even on the same chromosome or at least not very close together). Funny that this first possible case for an allele combo didn't pan out but so many multiple mutant allele group members have been found since.

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