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Probability of exclusion

Definition

The proportion of the population whose blood type differs from that of the stain and who would therefore be excluded as its source. A higher probability of exclusion means the typing result is more discriminating.

Related terms

Absorption-elution
A technique for detecting antigens on dried red cell debris. Specific antiserum is absorbed onto the stain; if the antigen is present,...
Antiserum
Serum collected from an immunised animal containing antibodies directed against a specific antigen or group of antigens. In species identification, antiserum raised...
Blood group system
A set of red cell surface antigens encoded by one gene locus or by two tightly linked loci. The International Society of...
Linkage disequilibrium
The non-random association of alleles at different loci within a population. Certain HLA allele combinations (e.g., HLA-A1 with HLA-B8 with HLA-DR3) occur...
Phenotype frequency
The proportion of a given population that expresses a particular antigen combination. Multiplying phenotype frequencies across independent loci gives the combined frequency...

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