Like Jeff and Rev mentioned, and also...
Originally posted by Serpent-King
And then if it's "possible" anyone can sell a normal of as possible het for piebald or something. Not because they know its relatives are piebalds, but because in reality, it is remotely possible that it just may be het. However far out that it. So anyone could just make it up knowing that their just making it up, and be right in doing so.
Yes anyone can, and many people do. That is why you only purchase hets/possible hets for reputable sources, and make sure you have the paperwork to back it up. And nobody that is "just making it up, and be right doing so" is right at all. Its people that do that, that pollute the hobby