How do you guarantee that? The clutch listed first on this page, along with the photo of the mother on the eggs and the sibs. The lesser gene has proven to be more than just a simple co-dom. The normal offspring of a platinum carries the gene for platinum while lessers do not. A lesser crossed with a phantom, whose own super form is something entirely different, also produces a white snake. There's no reason that that same odd trait could produce a white animal when mixed with piebald as well.