CRIM 356 Lecture Notes - Lecture 5: Alec Jeffreys, Fake Fur, Raccoon Dog
19 Oct 2020
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Crim 356 - lecture 5 - dna application. Progress on back of 30 years of rapid advances in molecular biology. 1st description of forensic application in 1985 - alec jeffreys. Anything which contains dna can in theory be analyzed to produce a dna theory. Matching biological evidence found at scene of crime to suspect. Raccoon dog fur recently reported as faux fur in high street retailers. Dna tests on clothing identified fur as real. Us changing law to stop misrepresentation & to stop skinning farmed animals whilst they are alive. Trafficking of animal body parts to asia. Bc has last intact black bear population. Bone is highly vascularized tissue which is full of cells throughout. Not likely, although not proven, that cellular dna adheres to mineralized surface of porous network within bone during decomposition. Dna in cell found in nucleus & mitochondria. Arranged in 2 sets of 23 chromosomes. In total, each cell has 2m of dna.
