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Domestication and migrations: Using mitochondrial DNA to infer domestication processes of goats and horses

Gerbault, P; Leonardi, M; Powell, A; Weber, C; Benecke, N; Burger, J; Thomas, MG; (2012) Domestication and migrations: Using mitochondrial DNA to infer domestication processes of goats and horses. In: Population Dynamics in Prehistory and Early History: New Approaches Using Stable Isotopes and Genetics. (pp. 17-30).

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Abstract

© 2012 Walter de Gruyter GmbH & Co. KG, Berlin/Boston. The complex process of animal domestication will have lead to important biological changes, including a reshaping of patterns of genetic diversity. Studying those patterns permits inferences to be made on the demographic and trait-selection components of the domestication process, and different models arising from archaeological and archaeozoological data to be compared. In order to contribute to current understanding of the domestication process, we analysed both modern and ancient mtDNA-sequence data in two domestic species, goats and horses, to compare different models of their demographic histories. The first archaeological evidence for goat domestication, on the southern slopes of the Zagros and Taurus mountains, dates back to between 10,000 and 11,500 BP, while the first evidence for horse domestication seems to date to around 7,000 BP, in modern day Ukraine and Kazakhstan. We examine two sets of increasingly complex demographic models, five for goats and three for horses, based on prior knowledge from archaeological and genetic data, and use coalescent simulation and observed genetic-diversity patterns to compare these models. We discuss the implications of the results and propose further domestication-process hypotheses that could be considered for each species.

Type: Book chapter
Title: Domestication and migrations: Using mitochondrial DNA to infer domestication processes of goats and horses
ISBN-13: 9783110266290
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Genetics, Evolution and Environment
URI: http://discovery.ucl.ac.uk/id/eprint/1368547
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