Thursday, November 14 2019
9:00am - 10:30am
Masters Presentation
The Impact of Two Factors on the Power of a Test of Relatedness

The Impact of Two Factors on the Power of a Test of Relatedness

The abstract is as follows:

Criminal investigations have been aided by the use of DNA profiling since the mid-1980's, however the primary means for comparing genetic samples found at the scene of a crime to those stored in a database do not account for the potential relationships within the database. Further, the outcome of a test of relatedness depends on the relative frequency of the alleles present in the genome of the two samples which is generally unknown. In recent years, the primary database (CODIS) used by forensic investigators to store and compare genetic data related to criminal investigations has expanded the set of markers in a subject's genome which are analyzed. The purpose of this study is to assess the loss in power of a particular test of relatedness due to unknown true relative allele frequencies and the gain in power resulting from the extension of the CODIS database.
Speaker:Michael Phillips
Affiliation:
Location:4113


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