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Haplogroup R1b (R-M343), previously known as Hg1 and Eu18, is a human Y-chromosome haplogroup.. It is the most frequently occurring paternal lineage in Western Europe, as well as some parts of Russia (e.g. the Bashkirs) and across the Sahel in Central Africa, namely: Cameroon, Chad, Guinea, Mauritania, Mali, Niger, Nigeria and Senegal (concentrated in parts of Chad with concentration in the ...
Haplogroup R-M269 is the sub-clade of human Y-chromosome haplogroup R1b that is defined by the SNP marker M269. According to ISOGG 2020 it is phylogenetically classified as R1b1a1b . It underwent intensive research and was previously classified as R1b1a2 (2003 to 2005), R1b1c (2005 to 2008), R1b1b2 (2008 to 2011) and R1b1a1a2 (2011 to 2020).
Haplogroup R1b probably originated in Eurasia prior to or during the last glaciation. It is the most common haplogroup in Western Europe and Bashkortostan ( Lobov 2009 ). It may have survived the last glacial maximum , [ 19 ] in refugia near the southern Ural Mountains and Aegean Sea .(
Haplogroup R1b is dominant throughout Western Europe. While it was once seen as a lineage connecting Britain and Ireland to Iberia, where it is also common, it is now believed that both R1b and R1a entered Europe with Indo-European migrants likely originating around the Black Sea ; [ 8 ] R1a and R1b are now the most common haplotypes in Europe.
The Y haplogroup of Richard III, last king of the House of York and last of the House of Plantagenet, was identified as Y-DNA G-P287, in contrast to the Y haplotypes of five of the putative modern relatives, descendants of Henry Somerset, 5th Duke of Beaufort, of whom four belong to haplogroup R1b-U152 (x L2, Z36, Z56, M160, M126 and Z192) and ...
Haplogroup R1b is the dominant haplogroup of Western Europe and is also found sparsely distributed among various peoples of Asia and Africa. Its subclade R1b1a2 (M269) is the haplogroup that is most commonly found among modern Western European populations, and has been associated with the Italo-Celtic and Germanic peoples.
Haplogroup R is the most observed Y-chromosome DNA haplogroup among the populations of South Asia, [4] followed by H, L, and J, in the listed order. [4] These four haplogroups together constitute nearly 80% of all male Y-chromosome DNA haplogroups found in various populations of the region. [4]
As a haplogroup consists of similar haplotypes, it is usually possible to predict a haplogroup from haplotypes. Haplogroups pertain to a single line of descent. As such, membership of a haplogroup, by any individual, relies on a relatively small proportion of the genetic material possessed by that individual. Y-DNA haplogroups map of the world