I am happy to be able to clarify quite a bit and encourage all of you, to bring me your own claims.
“Rh negative blood is headed for extinction”
My final answer: Highly unlikely mathematically and impossible realistically speaking.
“Rh negatives are more likely to be empaths”
Again: what actually is an empath?
“Rh negatives are more likely to be left-handed”
I cannot produce an official study, but will tell you a few things: Among Rh negative celebrities, there are unusually high amounts of left-handers. And…
“All British Royals and U.S. Presidents are/were Rh negative”
Not true. At least not in the case of U.S. Presidents. However, the percentage of Rh negatives among recent U.S. Presidents…
Hazel eyes are very frequent in Rh negatives
Could be. However, are we talking about hazel eyes or central heterochromia?
Is red hair more frequent among Rh negatives?
It seems to be the case. The question is why:
All Rh negatives have at least some Jewish ancestry?
My thoughts: Let’s go back further… Sumerians?