📰 Source: upgoat.net | Upgoat

✍️ Original author: Joe_McCarthy

⬆️ score: -2

v/OccidentalEnclave · by u/Joe_McCarthy

📝 Original content:

AI Overview

Southern Portugal holds some of the highest levels of North African DNA in the Iberian Peninsula, with studies showing up to 15% of people carrying these genetic markers, exceeding rates in southern Spain. This ancestry is primarily linked to North African Berber and Arab populations (Moors) during the Medieval Islamic period (711–1249 CE), rather than recent Sub-Saharan, as confirmed by markers like E-M81

Key Details on Southern Portuguese Genetics

North African Admixture: While the Moorish influence was briefer in Portugal than Spain, the southern regions (Algarve, Alentejo) show a high prevalence of North African genetic markers, including haplogroups E3B and J, reflecting long-term settlement.

Sub-Saharan Contribution: In addition to North African, a small but consistent amount of sub-Saharan African ancestry (around 1%–3%) exists in many southern Europeans, including southern Iberians.

Historical Context: Genetic studies indicate this admixture was not a single event, with evidence of both long-term medieval gene flow and later impacts from the Atlantic slave trade, particularly in hubs like Lagos.

Regional Differences: Western Iberia, spanning southern Portugal to Galicia, acts as a distinct cluster with higher African input compared to eastern Spain.

Modern Day: These genetic legacies are often blended and, in modern ancestry tests, are typically identified as “Spanish & Portuguese” or “North African” rather than direct “Sub-Saharan”.

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