Comparing forensic hypotheses from PCR results in cases involving mixtures of body fluids
Degree GrantorUniversity of Canterbury
Degree NameResearch report
Likelihood ratios provide a convenient and widely-used measure for assessing the relative support for forensic hypotheses given certain evidence. We extend earlier work to provide techniques for computing these ratios when a crime sample provides a profile of (multiple locus) genetic markers of mixed origin. Generic formulae are provided, illustrated with an example, and some extensions are discussed briefly.
SubjectsPolymerase chain reaction
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