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African Ancestry

Definition
AI-generated

Coarse label for probabilistic genetic ties to a broad world region in biobanks and reference panels; distinct from social identity alone.

Topics
Population genetics
Related
Ancestry Population Stratification Multi Ancestry Fine Mapping

Why it matters in GWAS

Population structure, demographic history, and mating patterns affect allele frequencies, LD, relatedness, and cross-cohort portability—central to GWAS design and interpretation.

Example usage

"The validation cohort included participants with predominantly African ancestry, enabling a direct test of PRS performance beyond European-ancestry training data."

Ancestry Population Stratification Multi Ancestry Fine Mapping
Related-term network

Click any node to open that term page.

Node order. The current term is first. Next come every page linked from Related terms, in the same top-to-bottom order as that list. Then new terms appear in two-hop layers: for each of those direct neighbors (in that same order), their related terms are appended if not already listed. A third pass does the same for two-hop nodes. The walk stops when a fixed maximum number of nodes is reached.

References

  • Hartl DL, Clark AG. (2007). Principles of Population Genetics. Sinauer Associates.
  • Jobling MA, Hurles ME, Tyler-Smith C. (2013). Human Evolutionary Genetics. Garland Science.
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