Well ya see I have no clue about rat genetics. We breed rats for feeders and were givin 2 female dumbos and decided we would try breeding dumbos. So we bought a male n 2 females from a pet store. Our one grey female looks like your pic ( same looking fur ) lol I'll just post pics of the parents. Lol ...... It's hard enough to get BP genetics down now I'm Tryin to get rats down.