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A comment on Tell HN: My Brother Died Last Week. His Death Will Not Be In Vain. Parent comment

Re:Tell HN: My Brother Died Last Week. His Death Will Not Be... by aforrester on Wednesday February 12, 2014 @07:13PM (#7228451)
How do twin studies rule out "environmental" that is, non-genetic, causes. Twins look alike, so if there are ideas about how people who look alike ought to act alike we would be expect a correlation between genes and behaviour that has nothing to do with the content of the genes. Rather, that behaviour would be motivated by similar ideas.
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Re:Tell HN: My Brother Died Last Week. His Death Will Not Be... by ceejayoz on Wednesday February 12, 2014 @07:43PM (#7228579)
> How do twin studies rule out "environmental" that is, non-genetic, causes.

http://en.wikipedia.org/wiki/Twin_study

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Re:Tell HN: My Brother Died Last Week. His Death Will Not Be... by aforrester on Thursday February 13, 2014 @01:17PM (#7233009)
I have pointed out that there can be correlations between genes and behaviour that are not caused by genes but by culture. Your link is irrelevant.
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