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A comment on The richest families in Florence in 1427 are still the richest (2016). Parent comment

Re:The richest families in Florence in 1427 are still the ri... by tapland on Thursday January 10, 2019 @10:22AM (#18874436)
Yeah. Even if they were genetically dispossessed to have higher IQs, better health and extreme motivation it should have been pretty genetically diluted after 600 years.
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Re:The richest families in Florence in 1427 are still the ri... by gwern on Thursday January 10, 2019 @10:54AM (#18874719)
Assortative mating can help maintain or increase any endowment. Think of that as being a within-family/smaller-scale version of the existing genetic gradient by SES (eg "The Genetics of Success: How Single-Nucleotide Polymorphisms Associated With Educational Attainment Relate to Life-Course Development" https://www.gwern.net/docs/genetics/correlation/2016-belsky.... , Belsky et al 2016; "Genetic analysis of social-class mobility in five longitudinal studies" http://www.pnas.org/content/early/2018/07/03/1801238115 , Belsky et al 2018a.)
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