Which gene names belong to the Yellowbelly series of color morphs?

yellowbelly, spark, specter, gravel, and asphalt

The genetic locus associated with the Yellow Belly trait is complex, encompassing what breeders term the Yellowbelly series of color morphs. This series is theorized to be composed of at least five known distinct alleles residing at the same location on the chromosome. These alleles are identified as *yellowbelly*, *spark*, *specter*, *gravel*, and *asphalt*. These variations work along a spectrum that primarily impacts the suppression of darker coloration and the alteration of the snake's inherent pattern structure. While the *yellowbelly* allele is generally recognized as the strongest, these other alleles represent differing levels of effect within the same genetic grouping.