It sounds like she might be a little underweight. Can you show us a picture? That will help. I'm glad you switched her to full size mice because fuzzy mice are WAY too small.

As for her morph, a picture would be best to determine what she is. By wildcolor do you mean wildcaught? Normal? And if the breeder doesn't know what morph was the father, I'm going to say she's probably just a normal with no hets. Again, a picture would be helpful.