From what I understand yes.. I'm new to this too haven't even gotton my girl yet.. But depending on what ur doing it can help... Say u have A BEL an breed it to a normal I believe u would get all lesser/Mojave/butter or whatever made the. Bel.. I'm sure I'll b corrected if I'm wrong tho..

Basically it will make more normals or more morphs of whatever morph it is bread to or a combo of both