Principles of Forensic DNA
for Officers of the Court
Principles of Forensic DNA for Officers of the Court
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Module 8 :: mtDNA & Y-STR

Topic 4 :: Y-STR Laboratory Analysis

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Indications for Y-STR Analysis

Typically in such mixture cases, the standard autosomal STR analysis has failed to determine the DNA profile of the male donor(s) or it has not been attempted due to the intractability of the particular mixed sample to such analysis. A good example of a case that would benefit from a Y-STR analysis would be the fingernail scrapings from a female victim who had scratched her male assailant.

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