Board Thread:Naruto Gaiden/@comment-32622248-20170719100834/@comment-31405103-20170728021555

Kirameku wrote: So Kurama doesn't affect the jinchuriki own appearance genetically but affects their children

It's odd imo

That's exactly it. If a child is born to a Jinjuuriki, they have whiskers. We at least know this to be true about Kurama host's children. None of the other Tailed Beasts' Jinjuuriki have whiskers because they weren't born to a Jinjuuriki, they were just chosen to be one.