Tag: S6

The impression/tire track lab was a very unique look at impression evidence. During the lab, we ran various toy “matchbox” cars over an ink pad, then in boxes on our sheet of paper. We looked at each print to determine the specialities and then match it. This was a detailed study of the 2-D impression. … Continue reading Impression lab

The four blood types are A, B, AB, and O Blood type AB has both a and b proteins. Blood type O has both antibodies. Genes are parts of chromosomes passed down from parents that determine a certain characteristic in their offspring. An allele is a form of a gene, where humans have two of … Continue reading Blood Type lab

The ballistics unit proved to be very engaging. The job of a ballistics specialist is extremely detail-oriented and meticulous. We used a simulation online to attempt to match 4 bullets to 4 reference bullets. A bullet is super difficult to match, because it is a clyndrical object. There is no direct face, or place that … Continue reading Ballistics Lab

This is a powerpoint that I made on the Short Tandem Repeat method of DNA Fingerprinting

    Fingerprints are fascinating. Who knew that the ridges of skin on your fingers could be so unique? Yet another accidental and amazing mystery of the natural world. Our first experience in class was with ink. The ink pad is messy, and so were our pages where we laid our ten prints. The backs … Continue reading Fingerprinting blog