Blood
What is blood?
Tissue
What kind of evidence is hair considered?
Class evidence
True or false: DNA is the genetic material of all living things.
True
What is an example of direct evidence?
Police dashboard cameras
What are the seven s’s for a crime scene investigation?
1. Securing the crime scene
2. Separating the witnesses
3. Scanning the scene
4. Seeing the scene
5. Sketching the scene
6. Searching for evidence
7. Securing and collecting evidence
What is in blood?
White and red blood cells, platelets, and plasma.
What part of the hair contains DNA?
Follicle
What makes up human genome?
DNA (deoxyribonucleic acid)
Name six types of evidence?
Circumstantial, trace, class, direct, individual, and indirect evidence.
Who came up with the Principles of Exchange?
Dr. Edmond Locard
True or false: our blood is mostly iron.
False. Our blood is mostly water.
What makes up the majority of the cortex of a hair?
Keratin
What is an alternative form if a gene?
Alleles
What kind of evidence has DNA?
Individual evidence
List five examples of Principles of Exchange.
Fingerprints on glass, a fiber from clothing, hair on brush, pet hair on clothes or rugs, a drop of blood on a T-shirt.
What is 90% of water in blood?
Plasma.
What is the largest part of the hair shaft?
Cortex
How many chromosomes are in the human body?
46 chromosomes
What is it called when an investigator puts an individual’s evidence inside a plastic bag or container?
Chain of custody
List three examples of trace evidence.
Animal or human hair, fingerprints, and bodily fluids.
Which blood cell carries oxygen and doesn’t carry oxygen?
Red blood cells carry oxygen and white blood cells doesn’t carry oxygen.
Name the five different patterns if the medulla.
Continuous, fragmented (or segmented), interrupted, solid, and none.
Where do genes come from?
Parents
Who is the first responder?
Police officers
What kind of evidence is stored inside a paper bindle?
Biological evidence