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April 24, 2026Ghana Studies

Genetic Genealogy Inference among Kassena Ghanaians and Their Diaspora Multiple Generations after the Transatlantic Slave Trade

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Authors

LDLaKisha T. DavidGKGabriel KugoriamoPSPrince Sedem Semanshia

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Overview

Phase 1 estimates genetic relationships in Ghanaians, linking them to diaspora families post-slavery.

Key Points

  • To estimate genetic relatedness among Kassena Ghanaians and their diasporic relatives after the transatlantic slave trade.
  • Analyzed DNA from 35 Ghanaian participants to assess genetic relatedness.
  • Used data from AncestryDNA to identify unique genetic relatives.
  • Calculated mean total DNA shared and identical by descent segment sharing.
  • Observed a mean total DNA shared of 220.0 cM among Ghanaian participants.
  • Mean identical by descent segment sharing was 11 cM with over 6,000 relatives in the database.
  • Estimation of 13 to 14 generations to the most recent common ancestor aligns with the history of the transatlantic slave trade.

Cite This Study

David et al. (2026) studied this question.

synapsesocial.com/papers/69eb0899553a5433e34b3779https://doi.org/10.3368/gs.28.1.36
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