False exclusion
Definition
An incorrect serological finding that excludes a true biological parent. Causes include chimerism (two cell populations in one individual), rare antigen variants, technical error in typing, and undisclosed blood transfusion altering the sample's antigen profile.
Related terms
- Exclusion
- The categorical conclusion that one or more examined features are clearly inconsistent in a way that cannot be explained by projection angle,...
- Exclusion probability (PE)
- The proportion of unrelated men in the relevant population who would be excluded as fathers of a child with the observed maternal...
- Non-exclusion (inclusion)
- A finding that the alleged parent's blood group profile is compatible with parentage. Non-exclusion does not prove parentage: it means only that...
- Paternity index (PI)
- A likelihood ratio that compares the probability of the observed serological profile if the alleged father is the biological father to the...
- Phenotype
- The observable serological result for a blood group system, determined by which antigens are present on the red cell surface. Two people...
Explained in
- Blood Group Typing in Paternity and Kinship TestingAn incorrect serological finding that excludes a true biological parent. Causes include chimerism (two cell populations in one individual), rare antigen varian...