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The term Eurasian backflow has been used for a recent migration of humans from western Eurasia back to East Africa, about 3,000 years ago. Homo sapiens had left Africa about 70-50,000 years ago, and about 3,000 years ago farmers from Anatolia and the Near East migrated back to the Horn of Africa. Signs of this migration can be found in the genomes of contemporary people from all over East Africa.

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  • The term Eurasian backflow has been used for a recent migration of humans from western Eurasia back to East Africa, about 3,000 years ago. Homo sapiens had left Africa about 70-50,000 years ago, and about 3,000 years ago farmers from Anatolia and the Near East migrated back to the Horn of Africa. Signs of this migration can be found in the genomes of contemporary people from all over East Africa. The people migrating back to Africa were closely related to the Neolithic farmers who had brought agriculture from the Near East to Europe about 7,000 years ago. This population is also closely related to present-day Sardinians. A study from 2020 inferred two sources for the spread of Eurasian admixture in Northeastern Africa, with one associated with pastoralism. The initial phase was 6-5 kya, involving groups originating from the Levant and North Africa that gave rise to the Pastoral Neolithic. Further studies have shown that the back-migration(s) into the region was a complex process, identifying multiple origins for the Eurasian component in Northeast African groups today. A report in November 2015 on a 4,500 year old Ethiopian genome had originally overestimated the genetic influence of the Eurasian backflow, claiming that signs of the migration could be found in genomes all over Africa. This mistaken claim was based on a data processing error and was corrected in February 2016. The West Asian admixture was only predominant in the populations of the Horn of Africa, in particular Ethiopian highlanders. (en)
  • El término reflujo eurasiático se ha utilizado para determinar el reciente retorno de humanos desde el oeste de Eurasia a África Oriental, hace unos 3.000 años. El homo sapiens habría salido de África hace unos 100.000 años, y hace unos 3.000 años, los agricultores de Anatolia y el Cercano Oriente emigraron de regreso al Cuerno de África. Se pueden encontrar signos de esta migración en los genomas de personas contemporáneas de todo el África Oriental.​​ Las personas que migraron de regreso a África estaban estrechamente relacionadas con los agricultores neolíticos que habían llevado la agricultura del Cercano Oriente a Europa hace unos 7,000 años. Esta población también está estrechamente relacionada con los sardos actuales.​ En noviembre de 2015, un informe sobre un genoma etíope de 4.500 años de antigüedad​ había originalmente sobrestimado la influencia genética del flujo de retorno de Eurasia, afirmando que se podían encontrar signos de la migración en genomas de toda África. Esta afirmación errónea se basó en un error de procesamiento de datos y se corrigió en febrero de 2016.​ (es)
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  • El término reflujo eurasiático se ha utilizado para determinar el reciente retorno de humanos desde el oeste de Eurasia a África Oriental, hace unos 3.000 años. El homo sapiens habría salido de África hace unos 100.000 años, y hace unos 3.000 años, los agricultores de Anatolia y el Cercano Oriente emigraron de regreso al Cuerno de África. Se pueden encontrar signos de esta migración en los genomas de personas contemporáneas de todo el África Oriental.​​ (es)
  • The term Eurasian backflow has been used for a recent migration of humans from western Eurasia back to East Africa, about 3,000 years ago. Homo sapiens had left Africa about 70-50,000 years ago, and about 3,000 years ago farmers from Anatolia and the Near East migrated back to the Horn of Africa. Signs of this migration can be found in the genomes of contemporary people from all over East Africa. (en)
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  • Reflujo euroasiático (es)
  • Eurasian backflow (en)
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