Super Champagne Question

[Seven-Thirty]

A simple allelic combo x normal pairing normally proves it, if not a few pairings do. I've never heard of any of the combos above proving that in some way.

https://jkrballstreetjournal.com/201...-ball-pythons/
https://www.youtube.com/watch?v=Zf3FG_QXEf8&app=desktop

From these two I gathered that spider and black head are allelic but without first hand experience myself I could always be wrong.