When we're talking about crossing a blood and a BP or a JCP and GTP are we really talking about something that is scientifically possible? If you can produce these crosses are the offspring fertile? I know if you manage to cross animals that are too different genetically, like a horse and a donkey, the offspring are sterile and therefore cannot damage the gene pool of either animal. It's almost like a genetic safety feature. Seems the real God has a handle on this stuff no matter how much we like to flatter ourselves.
Oh and someone brought up the Sphinx. Just thought I would clarify that they are a naturally occuring mutation (like albinism) not a man made freak. They are ugly as hell though and I think we should eradicate them. With shovels. LOL!
I feel a little light headed... maybe you should drive...