Quoting myself, haha. If I wanted to breed blues, would I breed her to a black? I really want blue Frizzle's. She would be founding hen of any Frizzle lines I start.
Black and White wont necessarily just give you Blue. It will most likely give you just that, Black and White. You would need to have a Blue, Splash or Black to start with. I am no genetics expert, but pretty sure you wont get Blue from that cross, and if so genetically they wont be Blue? I really dont know, but I dont think you can get Blue from a White mated to Black.
~Casey