JEWISH means one who wants to worship LORD or GOD without any Deity or idol or statue or figurine. That is all it means. You can be of any person with any color of skin or eye color or nose looking like a beak, etc. IT has nothing to do with your Genes or nationality. ISRAEL belongs to all 3 religions +Hindus.
4.2-scale earthquake felt in Dead Sea, Jerusalem area (Haaretz)
from the article: DNA links prove Jews are a 'race,' says genetics expert