Thank you Albey That is a beautiful snake. So light in color. I saw a picture of one that was so much darker. It had jet black markings
with a much darker tan/beige base color. They all seem to have the exact same type of markings and pattern though.

I wonder who the lucky person was that first discovered it's hidden gene.

I don't think they would have started out as a dinker thing because they really do not stand out from normals aside from the fairly clean belly. I'm guessing it was a total accident. I'm sure someone just put a YB to their normal expecting to produce normals and YB but a surprise hatched out.