The genetic coding of an ashkenazi or sefardic organism, often producing a displeasing phenotype of thick, curly hair, large eyebrows, a prominent nose, and a predilection for mild neuroses and observational humor
"You can try to hide the byproducts of your jewnetics with straight-ironed hair, a yarmulke, or even a Burberry scarf, but your true roots will find a way to shine through!"
Jewish genetics; genes of a jewish person or jewish people which give rise to featues commonly associated with jewish people such as hooked noses, frizzy/curly or frizzy/wavy hair, dark eyes or hair, etc.
When I walk into a spanish supermarket, I am really an oddity. I'm not only white, I've got Jewnetics.
The traits that Jewish parents pass on to their children. Common Jewnetics include the large nose, stinginess, and the Jew Fro.
Guy 1: "Yo, what happened to David Meshulam's nose."
Guy 2: "It's Jewnetic, dude."