Ummm.... maybe Haaretz needs a science editor? I don't agree with the German minister's gest with his remarks but there ARE dna Jewish gene markers. You can go to any dna testing place and get a test for those Jewish markers if you wish. So yeah, there are Jewish genes in the strictist sense.
Motorcyclist in his 20s dies after crashing near Gedera (Haaretz)
from the article: 'Jewish gene' theories make waves in Germany, go unnoticed in Israel