Board Thread:Naruto Discussions/@comment-25442710-20140920121351/@comment-26302001-20141003130111

You. There is nothing that says the reincarnations don't keep their copy of transmigrant chakra, and there is nothing that says a Senju or Uzumaki transmigrant can't awaken the Rinnegan. You are assuming they need Uchiha eyes only, in order to get it. Black Zetsu's statements make it clear that any senju/uzumaki reincarnate can get the Rinnegan if they get the Uchiha reincarnates chakra/dna