Chromosomal Laboratories, Inc Announces the Development of a Revolutionary Software Analysis Tool for Evaluating Forensic Evidence Containing DNA from Multiple Male Contributors
Forensic Laboratory enhances the value of suspect to evidence comparison in Y-STR mixtures
Testing the Y chromosome has proven extremely valuable in the forensic sciences particularly in cases where separating male from female DNA contributors can provide clarity which may include or exclude the alleged perpetrator of a crime.
However, when there are DNA mixtures of multiple male donors, there is no method to ascribe a statistical significance. This limitation has opened up Pandora’s Box with regard to treatment and statistical significance of these types of samples. Estimates of inclusion of a suspect used in court are often inaccurate and at times severely overstated. Such inaccuracies may lead to false arrests, imprisonments, or worse.
The technical team at Chromosomal Laboratories, Inc has developed the Y-MAT frequency calculator to enable the rapid determination of a suspect’s Y-STR frequency in a variety of simulated mixtures. This development represents the world’s first frequency calculator that enables one to compare selected or random Y-STR profiles to randomly created 2, 3 and 4 person simulated mixtures. Within minutes thousands of simulations can be performed. Results from these calculations provide a reliable frequency distribution which subscribes a proper weighting of a suspects possible contribution to evidence mixtures.
Data from this work was presented last year at the 20th Annual International Symposium on Human Identification, and this year at the American Academy of Forensic Sciences. Several publications on this effort are currently in progress. Chromosomal intends to make this tool available to the forensic community in the near future.
About Chromosomal Laboratories, Inc.
Chromosomal Laboratories, Inc. is a full service DNA laboratory that specializes in providing advanced DNA testing for forensics, CODIS databasing, paternity, immigration and other relationships that can be resolved through DNA identification. Chromosomal Laboratories also provides research and development and DNA consulting services. The company is based in Phoenix, Arizona.
- Contact Information
- Jim Bentley
- Vice President
- Chromosomal Laboratories, Inc.
- Contact via E-mail
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