Originally Posted by aubrey
It's a little more complicated than that. Generally you have two different types of morphs: recessive and codominant (or dominant). Recessive morphs need a pair of genes in order to become visual, and with codom or dominant morphs they only need one gene from a parent. If you want to produce visual morphs with your normal girl, you will need to breed her to a codom or dominant male such as a spider, pinstripe, cinny/black pastel, pastel, yellow belly, etc. Here is a link that explains it visually: http://ballpythons.ca/genetics.html