BLOOD
What type of evidence is blood: class, individual, or both?
What is both?
What is the most common fingerprint type?
What is loop
This technique separates components of a mixture based on how they move through a medium.
What is chromatography?
The three components that make a fire.
What are heat, fuel, and oxygen?
What part of the blood carries oxygen?
What are red blood cells?
Areas where fingerprint ridges converge/diverge?
What are deltas?
The phase that remains still during chromatography.
What is the stationary phase?
This type of residue may indicate use of gasoline or lighter fluid.
What is an accelerant residue?
What blood type SPECIFICALLY is the universal donor?
What is O-?
What is arch, loop, and whorl?
The phase that moves in chomatography.
What is the mobile phase?
This pattern can show where a fire started and spread.
What is a burn pattern?
What determines your blood type (positive or negative)?
What is Rhesus factor?
Ulnar or radial loop flows toward the thumb?
What is radial?
The reason different substances travel different distances in paper chromatography.
What is differing solubility and affinity to the stationary phase?
A material that ignites easily and helps spread fire unnaturally fast.
What is an accelerant?
If mother is AB+ and father is A-, what blood types can their children have? (List 4).
What is AB+, AB-, A+, and A-?
What are some of the easiest places/surfaces to identify fingerprints?
What is smooth, nontextured surfaces? (Glass, polished wood, some type of metal)
The ratio used to compare how far a substance traveled versus the solvent.
What is the Rf value?
The systematic process of elimination to find the cause.
What is the scientific method?