Cell-type-dependent expression of a somatic tri-allelic pattern at D18S51 and Penta D: The statistical interpretation of forensic evidence in sexual assault investigations.

Abstract excerpt

Tri-allelic patterns, though rare, present a significant interpretive challenge in forensic genetics. Their misinterpretation as a DNA mixture can lead to flawed statistical assessment, particularly for likelihood ratio (LR) calculations. However, when correctly identified, a tri-allelic pattern can serve as a powerful identifying marker, increasing the evidential value of a match between a POI (person of...

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