Just shows how little you know and how sneaky the Jewish Cabal really is.
They are able to mask their DNA to mimic that of other groups so they can infiltrate them before the Elders of Zion take over the world.
It is all in the Book of Mormon if you read carefully - and explains why you can't find the ruins of the Jewish communities of the Nephites. It is a Jewish conspiracy that Lehi & Co started and is kept going by Big Nellie & his Jewish LDS friends.