Board Thread:Theories and Speculation/@comment-33486170-20171125044229/@comment-1512913-20171205185113

The 'math' is still wrong. It assumes that Kushina is something that is nothing but a mere concept, that being '100% Uzumaki' that's unlikely. Even in clans that practice inbreeding, every now and then, someone outside of the clan must provide a flux of new genes. Considering that Naruto didn't inherit most of Uzumaki specific traits/special traits from Kushina, it's likely that Kushina wasn't a 'pure' Uzumaki and Naruto might have inherited more of the non-Uzumaki traits instead.

In that case, Naruto's X would be predominantly non-Uzumaki, with some Uzumaki genes and Y from Minato.