From current litters that I have breed this will give you a idea of what I may get in my litters.
Lines
Line 1 Black Roan in Dumbo
also producing Top Ear, Black Self.
Line 2 Black Striped Roan in Top Ear
also producing Hooded Black Roan
Line 3 Silver Fawn in smooth in top ear. (Please note these are red eye rats)
also produces Agouti and Rex some Dumbo.
Line 4 Capped in Black and Agouti in Top ear
May produce Variegated (Working on)