Black bellied babies

Hi all so I paired my (what I thought) my single gene banana and single gene pastel and now iv had a really cool looking clutch their patterns just aren’t the usual as far as I can see and out of the 4 babies 3 of them have black belly patterns it is much stronger on one of the normal looking babies but any ideas on what might be mixed in here iv added a link which has a folder for each baby and the parents are also in the folder. There was also a deformed baby in the clutch which I have also added into the folder I would really like to figure out what’s in this mix or if you guys think it’s just a normal combo they have now all shed and these pictures are form the day they all shed.
https://drive.google.com/drive/folde...MSaNjmWxhAVAGX

Pics of the actual bellies would help, along with some more shots of side pattern from the side. Perhaps Acid/Confusion/Static? I don't see a lot of speckling, so I'm doubtful on that but it's an idea to explore and look at the pattern more thoroughly to see. There is a Black Belly morph, but I don't think they look at all like that. The pattern sort of resembles Trick/Hurricane in areas, but it wouldn't do that to the belly. I can't think of any other single morphs that cause a black belly pattern, but maybe I'm forgetting something.

Maybe a gene like leopard? Though I did think maybe acid as well.
Unique little babies for sure!

IIRC there's a gene that can cause a more black belly but it's also something that causes head deformities?