An artefact of history and a big mistake. Oh, and a high level of melanin content in the skin.
No, they don’t, and you’re severely mangling the meaning of the word. They share a religion, and some common ancestry, but they don’t share a common culture, for instance, nor do they share a (first) language. Same with the Lemba, same with Indian Jews, same with Chinese Jews.
Or, you know, as the data came in…but don’t let’s stand in the way of a good conspiracy theory :dubious: