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Micromanipulation And Genetic Analysis Of Individual Sperm Cells For Sexual Assault Investigations, Amanda Penn
Micromanipulation And Genetic Analysis Of Individual Sperm Cells For Sexual Assault Investigations, Amanda Penn
Honors Undergraduate Theses
Sexual assault investigations utilize both physical and biological evidence to aid in the investigation. Physical evidence may include fingerprints, hair, fibers, stains, soil, and glass. Biological evidence may include semen, saliva, vaginal secretions, menstrual blood, and skin. Semen, often found in small or trace quantities, is of great importance when trying to identify the perpetrator. From the semen sample, DNA profiles using autosomal short tandem repeats (aSTRs) (gold standard in forensic science) or Y-chromosome short tandem repeats (Y-STRs) can be obtained and can be used to identify a perpetrator through comparison to suspect reference samples or by searching the profile …