Thanks Gib for that proof, it does indeed show Odyssey Galactic is dominant to Odyssey Bellini.
Thank you for sharing it with us, for reference though the current known spread is recessive to Morning Glory and Dominant to Fancie Rose Diamond.
I believe both proofs are in this thread but if you want to know what tests are required without reading the full thread may I recommend the Forum Based Charts which can be found
Here
These have been created from the forum threads to save other breeders time and are updated daily.