Jewish Genes and Missing Tribe

".....[T]here are the Lemba. Out of the blue, as it were--for 
nowhere in any Jewish or non-Jewish source are they even hinted at--we 
find an ethnic group near the southern tip of Africa with a genetic tie to 
Jews elsewhere. Where did they come from? How did they get to be where 
they are? If they lived totally apart from other Jews for hundreds or 
thousands of years while retaining a distinct "Jewish" identity, can this 
have happened in other places, too? Did the Jewish people have another, 
"shadow" history, inhabited by groups that we know little or nothing 
about?"

Continued at http://inyourface.info/ArT/Delta/JeG.shtml