Quote Originally Posted by muddoc View Post
If our (meaning the herptoculturists) theories on Pieds is correct, then the white of a Pied is caused by a form of Leucism, in which the chromatophores are missing in the skin cells in the white areas. This would mean that pigments are present in those areas, but the skin is not capable of holdinh the pigment. With that said, you cannot change the color of "missing color".

Under black light (~395 nm) and with a GFP or GFP-derivative transgenic snake, you may be able to change the missing color......

a leucistic is even mentioned in the patent above.