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Haplogroup A2 is the most common haplogroup among the Inuit, Na-Dene, and many Amerind ethnic groups of North and Central America. Lineages belonging to haplogroup A2 also comprise the majority of the mtDNA pool of the Inuit and their neighbors, the Chukchis, in northeasternmost Siberia. [5] [6] [7]
Haplogroup A2 is the main Native American haplogroup in Cuba (21.9% of the total sample), accounting for 67% of the Native American mtDNA gene pool. Regarding Y-chromosome haplogroups (male lineages), 78.8% of the sequences found in Cubans are of West Eurasian origin, 19.7% of African origin and 1.5% of East Asian origin.
The following articles are lists of human Y-chromosome DNA haplogroups found in populations around the world.. Y-DNA haplogroups by ethnic group; Y-DNA haplogroups in populations of Europe
Haplogroup A is a human Y-chromosome DNA haplogroup, which includes all living human Y chromosomes.Bearers of extant sub-clades of haplogroup A are almost exclusively found in Africa (or among the African diaspora), in contrast with haplogroup BT, bearers of which participated in the Out of Africa migration of early modern humans.
A haplotype is a group of alleles in an organism that are inherited together from a single parent, [1] [2] and a haplogroup (haploid from the Greek: ἁπλοῦς, haploûs, "onefold, simple" and English: group) is a group of similar haplotypes that share a common ancestor with a single-nucleotide polymorphism mutation. [3]
BT is a subclade of haplogroup A, more precisely of the A1b clade (A2-T in Cruciani et al. 2011), as follows: Haplogroup A. Haplogroup A00; Haplogroup A0 (formerly also A1b) Haplogroup A1 (also A1a-T) Haplogroup A1a (M31) Haplogroup A1b (also A2-T; P108, V221) Haplogroup A1b1a1 (also A2; M14) Haplogroup A1b1b (also A3; M32)
PHOTO: Rep. Tulsi Gabbard during the State of the Union address before members of Congress in the House chamber of the Capitol, Feb. 5, 2019. (Melina Mara/The Washington Post via Getty Images)
[1] (a) Pie charts on the map. (b) Counts of haplogroups in table format. For populations details, see 1000 Genomes Project#Human genome samples. In human genetics, a human mitochondrial DNA haplogroup is a haplogroup defined by differences in human mitochondrial DNA. Haplogroups are used to represent the major branch points on the ...