Specter (EDNRB2-related) - Ball python

This DNA test for the ball python (Python regius) detects the Specter-associated variant c.G2601C (R315P) in the EDNRB2 gene. Specter is part of the Yellowbelly series, also commonly referred to as the Yellow Belly complex. A wildtype animal does not carry the tested Specter variant, a heterozygous animal carries one copy and may be visually subtle, and a homozygous animal carries two copies. Homozygous animals are associated with the Super Specter form, which typically shows a lighter, moderately reduced pattern with two dorsal longitudinal stripes. In combination with a Yellow Belly allele, the well-known Super Stripe is produced, usually recognized by a striking, fairly symmetrical longitudinal stripe with relatively clean sides. This test helps identify subtle animals more reliably and supports more targeted breeding decisions.