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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]
[12] [84] This suggests that 95% of Indigenous American mtDNA is descended from a minimal genetic founding female population, comprising sub-haplogroups A2, B2, C1b, C1c, C1d, and D1. [85] The remaining 5% is composed of the X2a, D2a, C4c, and D4h3a sub-haplogroups. [84] [85] X is one of the five mtDNA haplogroups found in Indigenous Americans.
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.
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.
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
A passenger aboard the Delta flight that flipped upside down in a crash-landing in Toronto on Monday recalled how within seconds of the wheels touching down, his body was turned fully sideways and ...
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]
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Alzheimer’s disease, the most common form of dementia affecting more than three million Americans a ...