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National Institute of Standards and Technology nor does it imply that any of Identification imply a recommendation or endorsement by the Specify experimental procedures as completely as possible. CertainĬommercial equipment, instruments and materials are identified in order to Official position or policies of the US Department of Justice. In this document are those of the authors and do not necessarily represent the Of Justice, Office of Justice Programs, US Department of Justice. NIST Office of Law Enforcement Standards, awarded by the National Institute National Institute of Justice Grant Number 2003-IJ-R-029, which is an (Rye Brook, NY), November 1, 2006, "Y-Chromosome and Mitochondrial DNAĭepartment of Justice DNA Laboratory (Richmond, CA), March 7, 2007, "Y-STRs:ĭisclaimer: This project was supported by Workshop with Mike Coble to Northeastern Association of Forensic Scientists (NEAFS) WA), February 23, 2006, "Examination of Additional Y-STR Loci for Increased (2007) Analysis of mutations in father-son pairs withĪt 58th Annual Meeting of the American Academy of Forensic Sciences (Seattle,

Publications or Presentations Resulting From This Project: Our work represents the first study with father/son sample pairs from major U.S. An African American sample pair had a mutation at DYS458 and a secondĪt DYS635 and an Asian sample pair had mutations at DYS439 and Y-GATA-H4. Furthermore, two different sample pairs were found to have two Single repeat mutations except one sample which contained a two repeat loss at Repeat in the son and 11 resulted in a loss of a repeat. Thirteen mutations resulted in the gain of a Caucasians, African Americans, Hispanics andĪsians using the 17 Y-STR loci in the Yfiler kit and observed a total of 24ĭifferences between father and son.

Markers are used in missing persons, mass disaster, or paternity investigations.įather/son sample pairs from U.S. Valuable asset to assist in the interpretation of Y-STR test results when these Reliable estimations of mutation rates for these loci are a Into their routine casework, especially since the release of commerciallyĪvailable kits. Y-chromosome short tandem repeats (Y-STRs) have proven beneficial in a number ofįields and applications including paternity, anthropology and genealogy studies.Īn increasing number of forensic DNA laboratories are adopting Y-STR analyses