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In human genetics, a human Y-chromosome DNA haplogroup is a haplogroup defined by specific mutations in the non-recombining portions of DNA on the male-specific Y chromosome (Y-DNA). Individuals within a haplogroup share similar numbers of short tandem repeats (STRs) and single-nucleotide polymorphisms (SNPs). [ 2 ]
Sykes deduced that despite Somerled's reputation for having driven out the Vikings from Scotland, Somerled's own Y-DNA closely matched that of the Vikings he fought. In 2024 a study by Peter Biggins, Administer of the Clan Colla Project at Family Tree DNA, points out that the chiefs of Clan Donald who have Viking DNA are descended Angus Og.
Y-Chromosome Haplogroups all form "family trees" or "phylogenies", with both branches or sub-clades diverging from a common haplogroup ancestor, and also with all haplogroups themselves linked into one family tree which traces back ultimately to the most recent shared male line ancestor of all men alive today, called in popular science Y ...
The revised root of the y-chromosome family tree by Cruciani et al. 2011 compared with the family tree from Karafet et al. 2008. It is now known that there is a haplogroup (A00) outside of this scheme. The group designated A1b here is now called A0, [4] and "A1b" is now used for what is here called A2-T.
The revised y-chromosome family tree by Cruciani et al. 2011 compared with the family tree from Karafet et al. 2008. (The "A1a-T" shown here is now known as A1 and "A2-T" is now known as A1b.) Initial sequencing of the human Y-chromosome had suggested that first split in the Y-Chromosome family tree occurred with the mutations that separated ...
FamilyTreeDNA offers analysis of autosomal DNA, Y-DNA, and mitochondrial DNA to individuals for genealogical purpose. With a database of more than two million records, it is the most popular company worldwide for Y-DNA and mitochondrial DNA, and the fourth most popular for autosomal DNA. In Europe, it is the most common also for autosomal DNA.
Y-DNA haplogroups by ethnic group; Y-DNA haplogroups in populations of Europe; Y-DNA haplogroups in populations of the Caucasus; Y-DNA haplogroups in populations of the Near East; Y-DNA haplogroups in populations of North Africa; Y-DNA haplogroups in populations of Sub-Saharan Africa; Y-DNA haplogroups in populations of South Asia
Haplogroup E-P2 (E1b1) is the most frequent variant of E-M96 and the most common Y-DNA lineage in Africa with two main descendants: E-V38 (E1b1a) and E-M215 (E1b1b). Haplogroup E (xE3b,E3a) - that is, E tested negative for both M35 and M2, has been reported in 11 males from Morocco in Zalloua et al. (2008b).
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