Eighteen STR loci and one sex determination locus present in the Finnzymes Canine 2.1 STR Multiplex Reagent Kit were screened in the UK dog population providing allele frequencies and population genetic parameters necessary for the application of STRs to forensic genetic casework. A total of 375 dogs were genotyped, including representative samples from each of twelve breeds used to evaluate Hardy-Weinberg equilibrium and calculate inter-population pairwise F(ST) values. Three loci were excluded from calculations of average random match probability due to deviations from Hardy-Weinberg Equilibrium or ambiguous genotyping. Random match probability based on fifteen STR loci and one sex locus was subsequently estimated to be 2.8 × 10(-17) for unrelated individuals across breeds.
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