Understanding Online Genetic Testing by Jeffrey Dach MD –  Dr. Ohad Birk of Ben Gurion University does genetic testing for the Desert Bedouin people in Israel.  As he explained, the Bedouins tend to inter-marry causing a high rate genetic disease. The result can be devastating, preventable with testing. It is amazing to think about it, but a number of online DNA testing companies offer the same testing services provided by Dr. Ohad Birk: DNA Direct,  23andMe, DeCodeMe, Navigenics,  Knome, and MDL.  DNA Direct is one of these online genetic testing services offering a reasonable list of tests.  To Read More: Click Here.