АвторТема: Searching for first-degree familial relationships in California's offender DNA d  (Прочитано 1528 раз)

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Searching for first-degree familial relationships in California's offender DNA database: Validation of a likelihood ratio-based approach // Forensic Science International: Genetics, published online 09 November 2010

Steven P. Myers et al.

A validation study was performed to measure the effectiveness of using a likelihood ratio-based approach to search for possible first-degree familial relationships (full-sibling and parent–child) by comparing an evidence autosomal short tandem repeat (STR) profile to California's ?1,000,000-profile State DNA Index System (SDIS) database. Test searches used autosomal STR and Y-STR profiles generated for 100 artificial test families. When the test sample and the first-degree relative in the database were characterized at the 15 Identifiler® (Applied Biosystems®, Foster City, CA) STR loci, the search procedure included 96% of the fathers and 72% of the full-siblings. When the relative profile was limited to the 13 Combined DNA Index System (CODIS) core loci, the search procedure included 93% of the fathers and 61% of the full-siblings. These results, combined with those of functional tests using three real families, support the effectiveness of this tool. Based upon these results, the validated approach was implemented as a key, pragmatic and demonstrably practical component of the California Department of Justice's Familial Search Program. An investigative lead created through this process recently led to an arrest in the Los Angeles Grim Sleeper serial murders.



© 2007 Молекулярная Генеалогия (МолГен)

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