Orange Phase Eastern Garter. Is it a dominant gene?

[Philminator]

Basically it means you're going to see color variations within a population, or even within a single litter. The orange likely isn't the result single allele (gene) and therefore is neither dominant, codominant, or recessive. Those terms are for when a certain color or trait is the result of a single point gene. (allele)

Polymorphism: The Northwestern Gartersnake (Thamnophis ordinoides) - Diamondback Trading Cards

thanks your explanation was easier to understand than the wiki one lol