Module 3 (weeks 5 and 6) Flashcards
(26 cards)
What is taphonomy?
processes which affect bones between death and discovery
A forensic anthropologist can determine…. (3)
age
gender
ethnicity
Teeth are a god/bad source of DNA and can indicate…. (3)
good
occupation, ethnic background, age
How many teeth does an adult have?
32
The female pelvis is deeper/shallower than a male pelvis.
shallower
What does ninhydrin react with in fingerprints?
amino acids
What does amido black react with?
proteins in blood
What are the 4 steps in fingerprint identification?
ACE-V analysis comparison evaluation verification
What technique is used to identify prints on a non-porous surface with cyanacrylic vapors?
Superglue fuming
What is the most common ridge characteristic?
loops
When do fingerprints start developing?
3 months gestation
What is the mathematical likelihood that two fingerprints are the same?
1 x 10 to the 60th power
Where was the first conviction based on fingerprints?
Argentina
How many individual ridge characteristics does the average fingerprint have?
150
Who wrote the first textbook on fingerprints?
Francis Galton
What is a rebreather?
CO2 filtering device
What does SCUBA stand for?
self contained underwater breathing apparatus
Why do weapons rust when leaving water?
oxidation
Where is DNA found in blood?
WBC - leucocytes
The average male has ____ litres of blood. A loss of over ___% will result in death.
5 litres
40%
What are some tests for blood? (2)
hemastix
kastle meyer
What can be used to identify the presence of blood? (4)
luminol
hemascein
amido black
leucomalachite green
Blood spatter is _____ & ________.
predictable and repeatable
Name the 4 stages of droplet to stain transition.
CDDR contact displacement dispersion retraction
