silicon said:
Here's one source. But there are better sources out there. http://www.sciencedaily.com/releases/2012/08/120827122410.htm Here's another: http://www.economist.com/node/21564191 Also, watch this. |
Source 1: Speculative, doesn't say anything concrete.
Source 2: Study assumes identical twins have no more personal bond than fraternal twins. All the identical twins I know are much closer to each other than fraternal twins who all act like regular brothers and sisters. This article assumes this is genetic, but I would argue that it is due to identical twins identifying with each other more because they see themselves when they look at each other unlike fraternal twins.
Source 3: Has nothing to do with your statement. The speaker is talking about the differences between liberal and conservative "Moral Matrix" and makes no declarations of genetics outside mammal group empathy.








