FSC100H5 Lecture 9: LEC #9&10 (DNA Evidence:Forensic Biology)
Document Summary
Lectures 9 & 10 dna evidence/forensic biology. Serology: serology techniques are used to screen evidence items for the presence and type of body fluid deposition, serology analyses target the bio-chemicals and cells that define the distinctive functional characteristics of different body fluids: Dna: deoxyribonucleic acid is the genetic information that dictates the form and development of an organism. Adenine (a) will only bond with nucleotides containing thymine (t) Rape and murder case involving two 15-year old girls (1983 and 1986) Years apart but mo (method of operation) the same police suspected same individual committed both murders. A tip led police to arrest a seventeen-year-old shortly after the second murder in 1986. He confessed to only having committed one murder. Dr. alec jeffreys of leicester university england (genetics professor) Had been studying dna variations and the evolution of gene families. His interest and goal was to develop markers (a type of identification tag_ to track the position of these genes.
