Most people with recessive genes are not "all there" or seem mentally challenged or whatever the correct term is these days for being very "different" and socially unacceptable.  I mean, hey, don't let fear and common sense stop you from "having fun wherever you can find it" right?  ALL of us are descendants of Adam and Eve there's no question about that.  biden must be one of the "leftover" freaks!!!

https://www.grunge.com/1381691/most-inbred-people-throughout-history/