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Schematic illustration of maternal (mtDNA) gene-flow in and out of Beringia, from 25,000 years ago to present. The genetic history of the Indigenous peoples of the Americas is divided into two distinct periods: the initial peopling of the Americas from about 20,000 to 14,000 years ago (20–14 kya), [1] and European contact, after about 500 years ago.
Central Asian autosomal DNA geneflow was estimated as around 10%. [27] Using haplogroups that are only found in Central Asia, the study estimated Central Asian paternal and maternal contributions. Paternal contribution was estimated as between 8.5% to 15.6% based on C-RPS4Y and O3-M122 Y-chromosome haplogroups.
Research into the predominant human Y-DNA haplogroups of Central Asia and North Asia, broken down according to both individual publications and ethnolinguistic groups
Geneflow between Asian minority groups and Russians contributed to the overall pattern of genome diversity across the different ethno-linguistic groups of Russia. [13] [14] The Russian gene pool, even taking into account contacts with Asians, is a typical European one. It lacks the Mongoloid contribution.
Haplogroup C-M217, also known as C2 (and previously as C3), [1] is a Y-chromosome DNA haplogroup.It is the most frequently occurring branch of the wider Haplogroup C (M130). ). It is found mostly in Central Asia, Eastern Siberia and significant frequencies in parts of East Asia and Southeast Asia including some populations in the Caucasus, Middle East, South Asia, East Eur
The serotype identifies the more common HLA-B*48 gene products. [1] B48 is most common along the West Pacific Rim, Americas indigenous peoples and Northern Eurasians. B*4801 is part of a group of alleles including B*4201 that share Intron 1 sequence with B*0702, [ 2 ] which is common over Western and Central Asia, and has a distribution ...
It is further argued that haplogroup E is of Asian origin and that the haploid diversity of haplogroup E supports a strong Eurasian male gene flow. The authors conclude that this supports an Asian origin and may also explain signals of small percentages of Neanderthal DNA found in northern and some western Africans. [24]
Human-mediated gene flow: The captive genetic management of threatened species is the only way in which humans attempt to induce gene flow in ex situ situation. One example is the giant panda which is part of an international breeding program in which genetic materials are shared between zoological organizations in order to increase genetic ...