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timtyler comments on Why is my sister related to me only 50%? - Less Wrong Discussion

4 Post author: TimFreeman 06 May 2011 06:17PM

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Comment author: timtyler 06 May 2011 09:46:24PM *  1 point [-]

Should I expect my kids to like each other less than I like my sister, because they are less closely related?

Possibly a little, if they actually are less closely related. The idea that kin-cooperation is based partly on percieved cues of physical resemblance started here. Your offfspring may have other cues about their relatedness to go on, though.