A Search for Obligatory Paternal Alleles in a DNA Database to Find an Alleged Rapist in a Fatherless Paternity Case

Mark Barash*, Ayeleth Reshef, Lev Voskoboinik, Ashira Zamir, Uzi Motro, Ron Gafny

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

A sexual assault case resulted in a pregnancy, which was subsequently aborted. The alleged father of the fetus was unknown. Maternal and fetal types were obtained using the 11-locus AmpFℓSTR® SGM Plus® kit. The national DNA database was searched for the paternal obligatory alleles and detected two suspects who could not be excluded as father of the male fetus. Additional typing using the AmpFℓSTR® Minifiler kit, containing three additional autosomal loci, was not sufficient to exclude either suspect. Subsequent typing using the PowerPlex® 16, containing four additional loci, and Y-Filer kits resulted in excluding one suspect. Searching a database for paternal obligatory alleles can be fruitful, but is fraught with possible false positive results so that finding a match must be taken as only preliminary evidence.

Original languageEnglish
Pages (from-to)1098-1101
Number of pages4
JournalJournal of Forensic Sciences
Volume57
Issue number4
DOIs
StatePublished - Jul 2012

Keywords

  • AmpFℓSTR Minifiler
  • AmpFℓSTR SGM Plus
  • AmpFℓSTR YFiler
  • DNA database
  • Forensic DNA analysis
  • Forensic science
  • Paternity
  • PowerPlex 16
  • Sexual assault

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