Board Thread:Versus Debates/@comment-33229263-20171019104931/@comment-3568954-20171210093403

the Rinne Sharingan did not split in two to create the Sharingan and the Rinnegan. hagoromo inherited his mothers Rinne-Sharingan power but it mutated into the Rinnegan a completely different brand new Dojutsu. the datebook says the Rinnegan is the Evolved form of the Rinne-sharingan. mind the Rinne-Sharigan only has 3 or 4 unique abilities.

a child only inherites a fraction of DNA from each parent. chakra though while influenced by DNA is also influenced by the training ethic of the user, a shinobi can inherit chakra nature's from a parent and than take the chakra nature into a completely different path.

my theory is that, when hagoromo and hamura inherited a fraction of their mothers chakra it was diluted, but because they were both born with the ability to mold there physical and spiritual energies together, there mothers chakra merged with there own unique chakra that was the result of there own training, causing hagoromo's Rinne powers and Sharingan powers to evolve together into the Rinnegan, and Hamura's Byakugan to merge with his own developed chakra into the Tenseigan