Love and arranged marriage

Gene Expression
By Razib Khan
Apr 29, 2011 9:46 AMNov 19, 2019 9:09 PM

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In the wake of yesterday's review of a paper on heritable variance in trait preferences realized in romantic partners I couldn't help but be intrigued by this new study out of PLoS ONE, Evolutionary History of Hunter-Gatherer Marriage Practices. It's actually a pretty thin piece of work in all honesty from what I can tell. They wanted to query ancestral ranges of marriage patterns by mapping the cultural variation in customs onto a phylogenetic tree. To generate that tree they took mtDNA sequences, which to me seems kind of old school. Using the cultural patterns present in living hunter-gatherer groups they presumed they could infer the ancestral state. So combining these two sources of data they generated this:

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