Board Thread:Theories and Speculation/@comment-28136690-20160425201528/@comment-25122992-20160425202822

The evolved doujutsu doesn't necessary retain the techniques of it's previous form. For example, Madara had to switch his Rinnegan back to the EMS to use Genjutsu: Sharingan. We surely can speculate, but there's still no facts that can support these claims.