Tuesday, April 7, 2009

Western Europeans : Haplogroup R1b (Y-DNA) - From Wikipedia - Racial Genetics and Migrations

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Haplogroup R1b (Y-DNA)
From Wikipedia, the free encyclopedia
Western Europeans : Haplogroup R1b (Y-DNA) - Racial Genetics and Migrations

Haplogroup R1b (Y-DNA)

Some excerpts :

Time of origin less than 18,500 years BP[1]
Place of origin Western Europe or Central Asia
Highest frequencies People of Atlantic Europe (Welsh 89%, Basque 88%, Irish 81%, Northern Portuguese 81%, Catalan 79%, Scottish 77%, English 75%, other Spanish 70%, Dutch 70%, Belgians 63%, Southern Portuguese 60%, Bashkirs 47%, Italian 40%, German 39%, etc.)

Haplogroup R1b DistributionIn human genetics, Haplogroup R1b is the most frequently occurring Y-chromosome haplogroup in Western Europe.

More specifically, its frequency is highest in Atlantic Europe and, due to European emigration, in North America, South America, and Australia. In southern England, the frequency of R1b is about 70%, and in parts of north and western England, northern Spain, Portugal, France, Wales, Scotland, and Ireland the frequency of R1b is greater than 90%. R1b is the most frequent haplogroup in Germany and it is also found among Italians, particularly in northern Italy.

R1b is also present at lower frequencies throughout Eastern Europe, Anatolia and parts of North Africa and appears in an isolated pocket of Sub-Saharan Africa.
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