Nothing wrong with breeding two normals together, especially if it's only one clutch. If you were producing dozens or hundreds then it may be an issue. With that being said, I would make sure you have buyers lined up for the babies when they hatch unless you want to keep them all. Normals are very easily found in this industry and there is oversaturation of them so I try to minimize the chance of hatching them when I pair up my snakes. But if you're going to produce one clutch, it's not a big deal as long as you know what you are getting yourself into.