I mean in western culture we have always seen Jesus as a white malé with long brown hair and sometimes blue other times brown eyes but what would Jesus's ethnicity based in were he actually lived his genes etc.? Like what would he actually look like in reality
Not to discourage any further answers but these older answers might help you get to the roots of your question.
There is this thread on the ethnicity of Jesus Christ and ancient Galileans
This answer on why Medieval art depicts Jesus as fair haired and blue eyed by /u/sunagainstgold is also quite illuminating.