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Creamsicle genetics

sscsgem

sscsgem

New member
What is the amelanistic make up of a creamsicle? What produces the different shades? Selective breeding? Are the yellowish carrying the rat amel gene (homo), and the orangish the corn (homo)? Or one of each? Are they on the same locus? I am in Genetics this semester and it got me thinking :shrugs:... :spinner: Thanks! Jennifer
 
Creamsicles are just hybrids of corn snakes (Pantherophis guttatus) and Great Plains rat snakes (Pantherophis emoryi) that are homozygous for the amelanism gene that is found in corns. If you breed an amel corn to a GPR, you get normally colored hybrids heterozygous for the corn amel gene. These normally colored hybrids are called Rootbeers. When you breed a Rootbeer het Amel with another Rootbeer het Amel, 25% of the clutch is statistically predicted to be Creamsicle (Corn x GPR hybrid homo for amel).

If you breed your Creamsicle to an amel corn, you'll produce all Creamsicles. Even though the offspring will be more corn than emoryi, they are still called Creamsicles. Any amel with GPR in its background, no matter how "diluted", should be labeled as a Creamsicle (same goes for Rootbeers).

There are a number of explanations for the variety of appearance in Creamsicles:

1. The appearance of any morph varies greatly based on the appearance of its ancestors.

2. Differing percentages of corn and emoryi genes can affect appearance.

3. Selective breeding.
 
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