UNIT 3: FORENSIC ANTHROPOLOGY & IMPRESSIONS. Objective: Identifying Male vs Female . DO NOW: What differences in bones do you think exist between males and females? If you missed the quiz on Friday see me now. What is Forensic Anthropology?.
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DO NOW: What differences in bones do you think exist between males and females?
If you missed the quiz on Friday see me now
The field of study that deals with the analysis of human skeletal remains resulting from unexplained deaths
Bones begin as cartilage then harden to form bone (ossification)
Joint- location where bones meet
Cartilage- found at ends of bones and protect bone
Ligaments- connects bones to bones
Tendons- connect muscle to bone
Contains bones of the
cranium and face
Upper arm bone
ULNA & RADIUS
TIBIA & FIBULA
Lower leg bones
Triangular bone at the end of the spine
M: square F: round
M: square – 90 deg
F: round, V-shape - >90 deg
M: low and sloping
F: high and rounded
M: bump present F: bump absent
M: Heart shaped, narrow
F: Oval shaped, wider
M: 50 – 82 deg F: 90 deg
M: long, narrow, curves inward
F: short, broad, curves outward
Complete Identifying male or female activity
Round eye orbits, Subpubic angle of 103°
Narrow pelvis, Sloping forehead
Smooth skull, Sacrum curves outward
DO NOW: What is the shape of the pelvic cavity in females and why?
DO NOW: Why are male bones rougher than females?
Can determine age by looking at certain bones for cartilage still remaining
Lamboidal suture (back of head) – 30 yrs
Coronal suture (front of head) – 50 yrs
Have deciduous teeth fallen out?
Have wisdom teeth erupted?
When the head of a long bone has fused with the shaft it can help determine age
Humerus head fused: 4 – 6 yrs
Humerus head fused to shaft: 18 - 20
Complete the snaggletooth killer case study
DO NOW: If the skull is completely fused what does that indicate about the age of the individual?
www.mrpalermo.com (first 48)
Complete the case review sheet
DO NOW: How can teeth be used to determine age?
****Hand in snaggletooth killer case study
A 41.3 cm Caucasoid male tibia was found in a wooded area.
How tall was the this person?
41.3 cm x 2.39 + 81.68 = 180 cm (5’-11”)
Do Now: What is the largest bone in the human body?
Finish Lab Today
DO NOW: What other useful things can be determined by bones besides age, height and sex?
Bones contain little nuclear DNA but do contain mitochondrial DNA
Can compare mitochondrial DNA with living relatives on the mother's side to identify bones
There are distinctions between damage caused by weapons and those created by the environment after death
Sharp-force trauma, blunt force trauma, and gunshot wounds have distinct patterns
Do Now: Can DNA be found in bones?
Complete case study on john waynegacy
How many people did he kill?
Why was he called the killer clown?
Did he target a particular type of victim? If so what type?