Monthly Archives: March 2013

K = 5 craniometric admixture analysis

A K = 5 craniometric admixture plot is at the bottom of this post. The five components are: Archaic (green) Mongoloid (red) Polynesoid (yellow) Caucasoid (blue) Unresolved modern (purple) Components are breaking out of the K = 2 modern component

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The White Gods

Donald A. Mackenzie was a prolific writer on religion, mythology, and anthropology in the early 20th century. One of his many works was Myths of Pre-Columbian America, published in 1924. Chapter 15 of that book is entitled “White Missionaries and

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Basque surnames that aren’t

This poster was presented at the 2012 meeting of the American Society of Human Genetics. It announces the discovery of Y haplogroup I2a1a-M26 in Amerindians, with a coalescence time of approximately 2000 years ago. The authors assert that the presence

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K = 4 craniometric admixture analysis

A K = 4 craniometric admixture plot is at the bottom of this post. One of the four components (purple) is an archaic component, and it continues to be modal on average for Australians, Melanesians, Tasmanians, Teita, and Zulu. A

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K = 3 craniometric admixture analysis

Below is a K = 3 craniometric admixture plot. The K = 3 analysis produces an archaic component (blue), a Mongoloid modern component (green), and a non-Mongoloid modern component (red). The archaic component is on average modal for Australians, Melanesians

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K = 2 craniometric admixture plot grouped by population

Below is a K = 2 craniometric admixture plot grouped by population. The populations are in decreasing order of mean archaic admixture.

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Unsupervised K = 2 admixture analysis of craniometric data

Below is the unsupervised K = 2 admixture plot for Howells’ craniometric data. I expected the K = 2 analysis to produce an archaic component and a modern component, and that’s exactly what it did. Some Eskimos, Polynesians, Australians, Melanesians,

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