Gina’s summer coat has something weird going on: it appears to be roan.
|Hair on Gina’s barrel.|
As you can see, her coat is flecked with white hairs. It isn’t noticeable from a distance, but when you stand next to her, you can see it pretty clearly.
It seems entirely possible that Gina carries the sabino gene. Her maternal grandsire, Time To Explode was an usually colored stallion:
He’s by Explodent, who is also a sabino and is apparently known for siring colorful foals.