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Phys A L8

Phys A L8 - modern context(more than 50 years B Forensic...

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10/26/2007 Physical Anthropology: Lecture 8 (Case 4 Preparation) I. Ancestral vs Derived A. Appear early in development B. Appear early in fossil record C. Observed in outer group D. Genetic Distance: measures the overall genetic similarity of two species 1. Genetic distance data is often consistent with hypothesis 2. The genetic distances change at approximately constant rates E. Molecular clocks: Genetic distances with constant rates of change 1. Allow us to estimate how long ago lineages diverged II. Taxonomy A. Hierarchial patter of similarity created by evolution provides the basis for the way we classify and name organisms B. Cladistic taxonomy vs evolutionary taxonomy C. Only descent vs descent and overall similarity III. Forensic Osteology A. Application of osteological techniques to the law-usually applied in relatively
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Unformatted text preview: modern context (more than 50 years) B. Forensic anthropology is the sub-discipline of physical anthropology 1. Analysis of human skeletal remains resulting from unexplained deals 2. Experts examine human bones with the goal of extracting information about persons involved and circumstances surrounding death 3. Overall aim is obtaining positive identification of the deceased C. Objectives 1. Determine ancestry/population affinity 2. Determine the sex of the individual 3. Determine the age of the individual 4. Determine the living height of the individual 5. Determine the nature of trauma and causative agents 6. Determine the time since death 7. Effective recovery and excavation...
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