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dc.contributor.author
González José, Rolando  
dc.contributor.author
Martínez Abadías, Neus  
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González Martín, Antonio  
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Bautista Martínez, Josefina  
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Gómez Valdés, Jorge  
dc.contributor.author
Quinto Sánchez, Mirsha Emmanuel  
dc.contributor.author
Hernández, Miquel  
dc.date.available
2020-04-16T19:27:57Z  
dc.date.issued
2006-12  
dc.identifier.citation
González José, Rolando; Martínez Abadías, Neus; González Martín, Antonio; Bautista Martínez, Josefina; Gómez Valdés, Jorge; et al.; Detection of a population replacement at the Classic–Postclassic transition in Mexico; The Royal Society; Proceedings of the Royal Society of London. Series B: Biological Sciences; 274; 1610; 12-2006; 681-688  
dc.identifier.issn
0962-8452  
dc.identifier.uri
http://hdl.handle.net/11336/102786  
dc.description.abstract
The Mexica Empire reached an outstanding social, economic and politic organization among Mesoamerican civilizations. Even though archaeology and history provide substantial information about their past, their biological origin and the demographic consequences of their settlement in the Central Valley of Mexico remain unsolved. Two main hypotheses compete to explain the Mexica origin: a social reorganization of the groups already present in the Central Valley after the fall of the Classic centres or a population replacement of the Mesoamerican groups by migrants from the north and the consequent setting up of the Mexica society. Here, we show that the main changes in the facial phenotype occur during the Classic–Postclassic transition, rather than in the rise of the Mexica. Furthermore, Mexica facial morphology seems to be already present in the early phases of the Postclassic epoch and is not related to the northern facial pattern. A combination of geometric morphometrics with Relethford–Blangero analyses of within- versus among-group variation indicates that Postclassic groups are more variable than expected. This result suggests that intense gene exchange was likely after the fall of the Classic and maybe responsible for the Postclassic facial phenotype. The source population for the Postclassic groups could be located somewhere in western Mesoamerica, since North Mexico and Central Mesoamerican Preclassic and Classic groups are clearly divergent from the Postclassic ones. Similarity among Preclassic and Classic groups and those from Aridoamerica could be reflecting the ancestral phenotypic pattern characteristic of the groups that first settled Mesoamerica.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
The Royal Society  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
MEXICA  
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MESOAMERICA  
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GEOMETRIC MORPHOMETRICS  
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POPULATION REPLACEMENT  
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FACIAL SHAPE  
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CLASSIC-POSTCLASSIC TRANSITION  
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Otros Tópicos Biológicos  
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Ciencias Biológicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
Detection of a population replacement at the Classic–Postclassic transition in Mexico  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2020-04-02T14:19:40Z  
dc.journal.volume
274  
dc.journal.number
1610  
dc.journal.pagination
681-688  
dc.journal.pais
Reino Unido  
dc.journal.ciudad
Londres  
dc.description.fil
Fil: González José, Rolando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina  
dc.description.fil
Fil: Martínez Abadías, Neus. Universidad de Barcelona; España  
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Fil: González Martín, Antonio. Universidad Complutense de Madrid; España  
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Fil: Bautista Martínez, Josefina. Instituto Nacional de Antropología e Historia; México  
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Fil: Gómez Valdés, Jorge. Instituto Nacional de Antropología e Historia; México  
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Fil: Quinto Sánchez, Mirsha Emmanuel. Universidad Autónoma del Estado de Hidalgo. Área Académica de Historia y Antropología; México  
dc.description.fil
Fil: Hernández, Miquel. Universidad de Barcelona; España  
dc.journal.title
Proceedings of the Royal Society of London. Series B: Biological Sciences  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1098/rspb.2006.0151  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://royalsocietypublishing.org/doi/10.1098/rspb.2006.0151