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Chileans in general present more data (sample) in this study so this could also explain a seemingly more dispersed graph. Although I would like to see where the average lies. Talking about about spanish heritage between these two countries, it should not have severe differences, as much of southern cone went through a coloniszation with an ealy fase of extremadurans and andalusians, and a latter from by castilians; basques; and navarreses.
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