Subjects DNA Concentration (pg/μL) H/M Couple 1 0/10 Couple 2 UD Couple 3 UD Couple 4 0/10 Couple 5 UD H/M: total human DNA/male-specific DNA; UD: undetermined.

Table 2: Quantification results after a simulated sexual assault 0 minutes post contact. Amount of male DNA relative to that of total DNA may be due to preferential amplification of the smaller SRY (130 bp) gene.