The genetic structure of populations from Haiti and Jamaica reflect divergent demographic histories

American Journal of Physical Anthropology
Tanya M SimmsRene J Herrera

Abstract

The West Indies represent an amalgamation of African, European and in some cases, East Asian sources, but the contributions from each ethnic group remain relatively unexplored from a genetic perspective. In the present study, we report, for the first time, allelic frequency data across the complete set of 15 autosomal STR loci for general collections from Haiti and Jamaica, which were subsequently used to examine the genetic diversity present in each island population. Our results indicate that although both Haiti and Jamaica display genetic affinities with the continental African collections, a stronger African signal is detected in Haiti than in Jamaica. Although only minimal contributions from non-African sources were observed in Haiti, Jamaica displays genetic input from both European and East Asian sources, an admixture profile similar to other New World collections of African descent analyzed in this report. The divergent genetic signatures present in these populations allude to the different migratory events of Africans, Europeans, and East Asians into the New World.

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Citations

Jan 8, 2013·Homo : internationale Zeitschrift für die vergleichende Forschung am Menschen·Luz Angela Alonso, William Usaquén
Apr 13, 2011·Forensic Science International. Genetics·Tanya M SimmsRene J Herrera
Apr 5, 2013·American Journal of Physical Anthropology·Jada Benn TorresRick Kittles
Apr 5, 2013·Genetic Epidemiology·Candelaria VergaraKathleen C Barnes
May 12, 2012·American Journal of Physical Anthropology·Tanya M SimmsRene J Herrera
Jul 22, 2014·American Journal of Physical Anthropology·Miguel G VilarUNKNOWN Genographic Consortium
Nov 28, 2012·Gene·Tanya M SimmsRene J Herrera
Apr 26, 2014·Genetics and Molecular Biology·Francisco Mauro Salzano, Mónica Sans
Mar 27, 2018·American Journal of Physical Anthropology·Kenneth M Weiss
Jun 24, 2017·Veterinary Medicine International·Giovanni Quintavalle PastorinoRichard Preziosi
May 28, 2019·American Journal of Physical Anthropology·Jada Benn TorresUNKNOWN Genographic Consortium
Jan 22, 2022·Evolutionary Anthropology·Maria A Nieves-Colón

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