[selcuka]

We can't say it's 100% genetic, but apparently more so than political orientation:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2874623/

https://pubmed.ncbi.nlm.nih.gov/18075477/

https://link.springer.com/content/pdf/10.1007/s10519-015-973...