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Component genes
This morph's genetics are pending breeder review and may be refined.
The genetics
Axanthic
RecessiveAxanthic is a recessive mutation that removes yellow (xanthin) pigment while leaving melanin intact. The result is a gray, black, and white snake that keeps its normal pattern and dark eyes but loses all warm coloration.
Caramel
RecessiveCaramel is a recessive mutation that shifts pigment toward a warm brown/caramel tone rather than removing it outright. It softens the contrast between the dorsal blotches and the ground color.
Hypo
Recessive(Evans/Dutch Hypo) — Hypo is a recessive, true hypomelanistic mutation that reduces rather than eliminates melanin. Dorsal blotches come out brighter and more saturated — often orange instead of brown — while the dark eyes are retained.
What makes a Casper
- Two copies of Axanthic — recessive, so it only shows when paired up.
- Two copies of Caramel — recessive, so it only shows when paired up.
- Two copies of Hypo — recessive, so it only shows when paired up.
This describes the genetics of the animal itself — not the odds from a pairing. Outcome odds are the Genetics Calculator's job (coming soon).
More in the Casper family
The same base with its Arctic and Anaconda modifier variants.
Be the first to add a Casper photo
Help build the guide — got a clear, full-body photo of a real one? Add it to the Genetics Lab and get credited. Every photo is reviewed before it appears.