How would I know?

[Flatheadhunter33]

Why buy a het if you aren't looking to breed? They look just like a normal but generally have a higher price tag. No point unless you are breeding.

Thats why I was saying that Im only asking in order to learn. I saw an ad where a seller was saying that they were selling a BP that had a certain trait and that you could tell from looking at certain markings on the belly...so I figured there was something there to look for...if i ever get to the point when I am ready for purchase, I just want to know as much as possible...Im actually considering rescue though. Of course I have a bunch of questions on that subject as well!!