Board Thread:Theories and Speculation/@comment-1872728-20160229033316/@comment-734582-20160307102618

Elveonora wrote: So basically, if this is true, then retro Senjus were more like Uzumakis, but through mixing with others too much, their traits got slowly lost over generations? Well supposedly more clans had the Byakugan but they lost it over time. So i guess that's true.

The Senju's most defining trait however is that they simply have high "base stats" of endurance and chakra. This seems to be shared by not only the Uzumaki but also the Sarutobi.