Look here there is a pic half way along of a lesser x lesser that isn't pure white.

http://ball-pythons.net/forums/showt...Eyed-Leucistic

I have seen mojo x mojo that is pure white and lesser x lesser that isn't it seems that there are exceptions to everything.

A TYPICAL lesser x lesser is white but not always and a TYPICAL mojave x mojave is 'dirty' There is no it always works combination it is a matter picking the best odds.