I figured the recent post on conservatives and the amygdala, and liberals and the anterior cingulate cortex (ACC), wasn't controversial enough. So why not go farther and discuss recent research that ties our political views to our genes? I point you to the following paper: Peter K. Hatemi et al (there is a long list of als), "A Genome-Wide Analysis of Liberal and Conservative Political Attitudes," recently published (2011) in the Journal of Politics. A PDF of the paper can be found here. And here is the abstract:
The assumption that the transmission of social behaviors and political preferences is purely cultural has been challenged repeatedly over the last 40 years by the combined evidence of large studies of adult twins and their relatives, adoption studies, and twins reared apart. Variance components and path modeling analyses using data from extended families quantified the overall genetic influence on political attitudes, but ...
