Blood enhancement chemicals have been found to negatively impact STR DNA typing and therefore footwear impressions made with blood are not typically analyzed.

Question

Quizplus · Accepted Answer

Footwear impressions made with blood can still be analyzed, as the chemicals used for blood enhancement do not typically interfere with the analysis of the impression itself. STR DNA typing is a separate process that may be affected by certain chemicals, but this does not prevent the analysis of footwear impressions.

Blood Enhancement Chemicals Have Been Found to Negatively Impact STR