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Cornsnake Morph Guide ®

Allelic Mutations

Charles Pritzel

Notice that anything with 100% or more "max melanin production" is normal. This isn't how much of the dark pigment it does produce, just how much it can.

Now, enter another mutation of the "" gene at this locus, but this one can produce 25% of the normal amount of melanin. We'll call it "ultra."

Allele	Symbol	Max Melanin Production
Normal		100%
Amel		0%
Ultra		25%

When these 3 alleles are paired in the 6 possible combinations, we get a different set of results:

Gene Pair	Max Melanin Production	Type
(100) (100)	200%	Normal
(100) (0)	100%	Normal (het amel and normal)
(100) (25)	125%	Normal (het ultra and normal)
(25) (25)	50%	Ultra
(0) (25)	25%	Ultramel
(0) (0)	0%	Amelanistic

Notice that two new morphs are now possible. These are the "ultra" which has about half the normal amount of melanin, and the "ultramel" (short for Ultra/Amel) which has only about a quarter as much dark pigment.

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