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Ancestry contributi...
Ancestry contributions within geographically dispersed South African Coloured groups
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- Hammarén, Rickard (författare)
- Uppsala universitet,Människans evolution
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- Alva Caballero, Lucia Ximena (författare)
- Uppsala universitet,Människans evolution
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- Lankheet, Imke (författare)
- Uppsala universitet,Människans evolution
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visa fler...
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- Jolly, Cecile (författare)
- Uppsala universitet,Människans evolution
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- Soodyall, Himla (författare)
- Division of Human Genetics, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa; Academy of Science of South Africa, Pretoria, South Africa
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- de Jongh, Michael (författare)
- Department of Anthropology and Archaeology, University of South Africa, Pretoria, South Africa
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- Schlebusch, Carina M., 1977- (författare)
- Uppsala universitet,Människans evolution
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visa färre...
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(creator_code:org_t)
- Engelska.
- Relaterad länk:
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https://urn.kb.se/re...
Abstract
Ämnesord
Stäng
- The South African Coloured people (SAC) are the most prominent admixed population in the country. They are descendants of local Khoe-San, and Bantu-speaking populations, European settlers, and enslaved people from the East and West Coast of Africa, South and East Asia, brought during the slave trade period. The term "Coloured" was an artificial category used by the South African apartheid government to group various groups with mixed ancestry. The term is still widely used today and is one of the ethnic categories in the South African government census. While the term is embraced by some people categorised as Coloured, it is rejected by others. This study aimed to investigate the remnant Khoekhoe and San genetic ancestry within various Coloured groups together with other ancestries introduced during colonial times. We generated novel genotyping, mtDNA, and Y-chromosome data for 65 individuals at two locations and, together with data from previously published studies, we assembled a dataset of 222 SAC individuals from 17 different geographic locations. This study has gathered the most extensive dataset of SAC individuals sampled from the largest number of sites to date. At 14 out of the 17 locations, Khoe-San was the majority ancestry. The Coloured populations display genetic ancestry from Khoe-San, West African, East African, East Asian, South Asian, and European groups at vastly varying amounts across the sampled locations, reflecting the history of South Africa, apartheid laws, and socio-cultural groupings. The ancestry proportions from different source populations differ by large fractions between the autosomes and uni-parental markers, which points to sex-biased admixture in the Coloured.This research highlights the importance of studying the South African Coloured population to comprehend the impact of complex migration patterns and historical systems of segregation in South Africa.
Ämnesord
- NATURVETENSKAP -- Biologi -- Genetik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Genetics (hsv//eng)
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
Nyckelord
- Coloured
- South Africa
- Apartheid
- Admixture
- Biology with Specialisation in Human Evolution and Genetics
- Biologi med inriktning mot människans evolution och genetik
Publikations- och innehållstyp
- vet (ämneskategori)
- ovr (ämneskategori)