Alicia,
I think you asked what "J2" means.  I found the description in Gary Felix' website"    http://members.tripod.com/~GaryFelix/index63.htm
The description reads:  "Semitic origin.  Mostly found in the Middle East, Mediterranean and North Africa.  About 28% of Sephardic Jews have this origin".
Emilie Garcia
Port Orchard, WA --