I am not an expect, but it seems like DNA is responsible for around 50% of the personality variance between individuals. Note that the variance within groups is an order of magnitude bigger than the variance across groups, so there aren't super strong ties to race.

I would imagine personality and/or propensity to mental illness or addiction are decent predictors of likelihood to commit crime.

See this podcast for an actual experts take https://samharris.org/podcasts/211-the-nature-of-human-natur...