Ok guys, i am not going to make a long thread! i just have a theory:
to get the rinnegan you need the eyes of the Uchiha clan (Sharingan), and the DNA of the Senju/Uzumaki clan! so i was thinking, if Sasuke had a son with Karin, the boy may get the Rinnegan! isn't that right?
to get the rinnegan you need the eyes of the Uchiha clan (Sharingan), and the DNA of the Senju/Uzumaki clan! so i was thinking, if Sasuke had a son with Karin, the boy may get the Rinnegan! isn't that right?