CRIM 355 Lecture Notes - Lecture 8: Lindy Chamberlain-Creighton, Forensic Biology, Luminol
13 May 2016
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Document Summary
Forensic biology: forensic biology is now the biggest part of the forensics lab. Can it be individualized: in past - mostly class evidence, now, dna - individual evidence. Only certain labs can maintain this: vancouver, ottawa, edmonton, centre of dna, laboratoire - montr al. Training: civilian scientists or civilian members of rcmp, minimum of b. sc. (hon) in biology, molecular biology, biochemistry, chemistry. Week 8 forensic biology: shed everywhere, shed all the time, cuticle - outer layer, makes it waterproof, cortex - middle layer, medulla - centre, average person loses ~200 hairs/day, hair sticks around for centuries. Scale patterns in cuticle: resistant, keratinized, pattern, different animal species. Cortex: under cuticle, pigment granules - so tells colour, colour, shape, distribution. Medulla: canal in centre, medullary index, wider in animals. Week 8 forensic biology: mongoloid - wide in x-section, coarse pigment, caucasoid - oval-round in x section, ne to coarse pigment evenly distributed, treated hair - breaks easily.
