Over time, Jewish populations will accept and allow members of other races to marry into their group. We're talking 2000 years, at least, where some groups have been isolated long enough to look different, but the genetic markers aren't expressed in physical characteristics. We're talking about genetics.. Not something you wear on your sleeve.
Look, this is pointless... Why don't you all go do a web search and read about it yourselves instead of trying to prove me wrong. I didn't do the genetic studies. Someone else did, and the summaries and data are out there just waiting for you to sift through them.