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Haplogroup R1b (R-M343) is the most frequently occurring Y-chromosome haplogroup in Western Europe and the most common haplogroup in the genetic genealogy databases. R1b1a2 (R-M269) is the dominant branch of R1b in Western Europe. When you take a standard Y-chromosome DNA test with a company such as Family Tree DNA you will be given.

The Y-DNA sub haplogroup E1a1a is essentially a brother group to E1b1b but they appear to have split off from each other around 47,000 years ago. It is also known as E-M2 and Ev38 and may have diverged from E1b1b around the area known as the Horn of Africa. The modern day concentrations of this sub haplogroup are found heavily in West Africa.

This page hosts analyses of ancient human Y-chromosomal haplogroup inference from next generation sequencing data, performed with software YLeaf v.2. For information on data and interpretation, refer to the manual at Erasmus MC Resources. As a quick reference on data interpretation, please read papers on ancient DNA damage, such as Dabney, Meyer, and Pääbo.

Decker (Nordfriesland, Schleswig-Holstein) likely belonged to haplogroup R-DF98. This is also in R-M269, but in the U106 branch that is more frequent in Friesland. (See R1b Descendant Tree near the end of this page.) Holt (Germany) likely belonged to J-M172(J2)/J-PF5456.Although I have not traced this tree back, I have DNA matches who descend from a Hans Michael Holt (b. 30 Dec 1696 in Baden.

Haplogroup R-M173 (Y-DNA) In human genetics, Haplogroup R-M173 is a Y-chromosome DNA haplogroup, a subgroup of haplogroup R, associated with the M173 mutation. It is dominated in modern populations by two Eurasian clades, R-M240 and R-M343, which together are found all over Eurasia except in Southeast Asia and East Asia.

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Haplogroup A is the most basal and diverse of all Y-chromosome lineages. The group is found almost exclusively in Africa, with high representation among hunter-gatherer societies in Ethiopia and Sudan. Haplogroup B is an ancient lineage distributed sporadically across the African continent. The group is common among pygmy peoples, as well as hunter-gatherer groups.

In human genetics, Haplogroup R1b is the most frequent Y-chromosome haplogroup in Western Europe . Its frequency is highest in Western Europe, especially 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.