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Schematic illustration of maternal (mtDNA) gene-flow in and out of Beringia, from 25,000 years ago to present. The genetic history of the Indigenous peoples of the Americas is divided into two distinct periods: the initial peopling of the Americas from about 20,000 to 14,000 years ago (20–14 kya), [1] and European contact, after about 500 years ago.
Kaplan therefore concludes that, while differences in particular allele frequencies can be used to identify populations that loosely correspond to the racial categories common in Western social discourse, the differences are of no more biological significance than the differences found between any human populations (e.g., the Spanish and ...
The Americas, Western Hemisphere Cultural regions of North American people at the time of contact Early Indigenous languages in the US. Historically, classification of the Indigenous peoples of the Americas is based upon cultural regions, geography, and linguistics. Anthropologists have named various cultural regions, with fluid boundaries ...
Another way to look at differences between populations is to measure genetic differences rather than physical differences between groups. The mid-20th-century anthropologist William C. Boyd defined race as: "A population which differs significantly from other populations in regard to the frequency of one or more of the genes it possesses.
There were 158,633 people who identified as Navajo enumerated in the 1980 census, and 219,198 in the 1990 census. The Navajo Nation is the Native American nation with the largest number of enrolled citizens. According to Thornton, there are only a small number of people who self-identify as Navajo who are not citizens. [83]
This includes people from Mexico, Puerto Rico, Cuba, Central and South America and Brazil, but excludes people from Spain. The census uses two separate questions : one for Hispanic or Latino ...
An ethnicity or ethnic group is a group of people who identify with each other on the basis of perceived shared attributes that distinguish them from other groups. Those attributes can include a people of a common language, culture, common sets of ancestry, traditions, society, religion, history, or social treatment.
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