A Study of the Background Levels of Male DNA on Underpants Worn by Females.

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ID: 58458
2019
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Abstract
This study is the first to examine the background level of male DNA on underpants worn by females in the absence of sexual contact. Here, we examined 103 samples from the inside front of underpants from 85 female volunteers. Samples were examined for the presence of male DNA using NGM SElect and PowerPlex Y23 kits. Only five samples gave a "complete" Y-STR profile, even though 83.5% of our volunteers cohabited with a male. In all cases where a partner reference sample was available, the Y-STR profile matched the cohabiting partner. We have demonstrated that a Y-STR profile is not expected on the inside front of underpants worn by females after social contact alone. The results of this study are informative for evaluating the significance of a Y-STR profile on underpants in cases of alleged sexual assault.
Reference Key
murphy2019ajournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Murphy, Charlotte;Kenna, June;Flanagan, Lorna;Lee Gorman, Marce;Boland, Clara;Ryan, Jennifer;
Journal Journal of forensic sciences
Year 2019
DOI
10.1111/1556-4029.14198
URL
Keywords
Evaluation forensic science sexual assault short tandem repeats dna profiling y chromosome background dna underpants

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