Creepin, Excellent question that at this point I can not answer, sorry..(compiling data) The 1st occurrence by another breeder was an outcrossing, the 1st occurrence here was also an outcrossing..The animal pictured is the 1st linebred animal of this type.. The genetic passing of traits has long been up in the air when it comes to Python breitensteini..The perplexing python..