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IBS0

Definition
AI-generated

IBS0 is the proportion of markers at which two individuals share zero alleles identical by state.

Topics
Population genetics
Related
Identity by Descent (IBD) Identity by State (IBS) Kinship Coefficient

Why it matters in GWAS

IBS0 complements kinship or PI_HAT estimates during QC because close relationships can have similar overall sharing but different IBS0 patterns.

Example usage

"The pair had near-zero IBS0, which supported a parent-offspring relationship rather than full siblings."

Identity by Descent (IBD) Identity by State (IBS) Kinship Coefficient PI_HAT
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

  • Manichaikul A, et al. (2010). Robust relationship inference in genome-wide association studies. Bioinformatics.
← Iberian Population in Spain (IBS) International Classification of Diseases Code (ICD) →

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