History/Law/Crime Scenes
What evidence does the innocence project use to exonerate individuals?
DNA
List the 5 stages of decomposition.
fresh, bloat, active decay, advanced decay, skeletonization
What is Odontology?
the study of the structure of teeth
What is the term for altering or creating a document for material gain?
forgery
What does Rh negative mean?
No Rh antigens
What is the purpose of the chain of custody?
document the sequence of control, transfer, and analysis of evidence
Terms used to describe the pooling of blood in the body after death.
livor mortis
What does a fork (bifurcation) look like in a fingerprint pattern?
>-
What is Locard's Principle?
Fibers transfer easily between individuals and objects
Antigens: B +
Antibodies: A
Based on the innocence project, most wrongful convictions are based on what specific type of evidence?
eyewitnesses testimony
Death intentionally caused by another person is called what?
Homicide
What causes a bullet to spin as it exits the barrel of a gun?
rifling (lands/grooves)
What did we use thin line chromatography to do in class this semester?
separate ink samples from different pens
What type of blood spatter do high velocity drops produce?
small drops
What is the difference between class and individual evidence?
Class: Link to a group of items/people
Individual: Link to a specific item/person
What is the difference between a male and female pelvis?
Male pelvis: subpubic angle less than 90 degrees
What would be an individual characteristic of a suspects sneaker?
wear marks
Which part of the hair is necessary for DNA analysis?
Follicle
What direction does blood always travel?
in the direction of the force
What is the difference between circumstantial and direct evidence?
answers may vary
What is the primary cause of bloating during the second stage of human decomposition?
bacterial gas production
What are the three main fingerprint patterns?
loop, arch, whorl
What does Secondary Transfer mean in relation to criminal investigations?
Carpet fibers from a suspects home can be transferred to the suspect, and then to the victim
If you have 2 different alleles for a given STR, are you heterozygous or homozygous?
heterozygous