Blood Analysis
What are the 4 main types of blood types?
Type (A),Type(B),Type(AB),Type(O)
What are the 3 types of guns?
Handguns, Rifles, Shotguns
What is arson?
The intentional setting of a fire
What is the percentage of alleles that a child gets from each parent?
50%
What are the five steps in crime scene investigation?
1.Isolate and secure the scene.
2. Document the scene.
3. Search for evidence.
4. Collect and package evidence while maintaining chain of custody.
5. Submit the evidence for analysis.
What gives blood its color?
Oxygen
What is the purpose of rifling?
So the bullet travels through the air
What is point of origin?
Location where the fire starts
Where is DNA found?
In the nucleus of every cell and in every organism
Who should certify that the body is dead?
Medical Examiner
What method is used to find the area of convergence?
Stringing
What does IBIS stand for?
Integrated Ballistics Identification System
What is the role of an arson investigator?
To identify and detect what was the cause of a fire
What is the process of using an electric current to create a DNA profile?
Gel Electrophoresis
What are the 4 search patterns for crime scenes?
Spiral,grid,line/strip,quadrant/zone.
What is the composition of blood by %?
Blood is 55% plasma (fluid), 45% of blood is made up of the formed elements AKA blood cells
What tool allows CSI to see two bullets, or two cartridge cases at one time?
A Comparative Microscope
What is the main reason for arson?
Insurance monies
How many nucleotides comprise a single strand of DNA?
What should each evidence label have on it?
Date, time, location, case number, agency, collectors name, victims name, and description of the contents.
Who was the first to analyze the meaning of blood spatter patterns?
Dr. Eduard Piotrowski
What is the purpose of IBIS?
To identify if a gun was used based on the bullets
What is pyrolysis?
When heat converts solids into fuel gases
What is CODIS?
Combined DNA Index System
What is the chain of custody?
A written record of all people who have had possession of an item of evidence.