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DanArmak comments on When does heritable low fitness need to be explained? - Less Wrong Discussion

15 Post author: DanArmak 10 June 2015 12:05AM

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Comment author: DanArmak 10 June 2015 09:28:54PM *  2 points [-]

Yes, that was one of the reasons I posted this. Wikipedia says even identical twins that share a placenta can differ in sexual orientation, and you don't get more shared-genes-and-environment than that.