Board Thread:Naruto Discussions/@comment-24837927-20140421121126/@comment-24808887-20140421203114

Umishiru wrote: Because its a jutsu that originates from the dna and can not be learned or taught without having that dna. As for why Wood release has not returned naturally, you will just have to ask Kishi about the recessive and dominate genes that control Hashirama's wood release and how it reacts with other genes down the generations. No what he did mean wasn`t about genes, what he and i try to say that  Madara and Obito and Danzo use implanted Hashi cells(and they work as mediator for mokuton) just like jinchuriki use taled beast skill, so or it both sides have kkg or it both sides used skill