Fingerprinting Methods
Fibers
Skin
Molecules
Vocab
100
Carbon, Aluminum, and Magnetic.
What are the powders you can use for the fingerprinting labs?
100
1. Synthetic fibers have very regular diameters 2. Hair have cuticles, Synthetics do not.
Compare and contrast natural and synthetic fibers.
100
Upper layer of the skin.
What is the dermal layer?
100
3.
How many things make up the DNA molecule?
100
Hole pattern of fingerprints.
What are the cores?
200
Iodine and Super glue.
What are the fuming methods for the fingerprinting labs?
200
Animal/plants. Example: fur, hair, silk, fruit fiber, hemp, mailinia
Describe natural fibers.
200
Y form on fingerprint.
What is the delta?
200
1. Phosphate 2. Sugar 3. Nitrogen Base
What makes up the DNA molecule?
200
Visible prints.
What are patent prints?
300
Nihydrin.
What is the method that is not fuming nor a powder?
300
Man made. Examples: rayon, acetate, nylon, acrylics, polyesters.
Describe synthetic fibers.
300
Where fingerprints are created.
What is the basal layer?
300
A. Repeated base sequence. B. No function. C. Vary in length.
What is the non-coding portion of the DNA molecule?
300
Automated Fingerprint ID system.
What does AFIS mean?
400
Any of these: 1. Extraction 2. Restriction fragments 3. Amplification of PCR 4. Electrophoresis
Name two steps for DNA fingerprinting
400
Fibers from victim to suspect.
What are direct transfers?
400
Soft material, like clay.
Where are plastic prints made?
400
Molecules that bind FO only certain segments.
What is a probe?
400
Fibers from victim to suspect.
What are direct transfers?
500
Either of these: 1. Extraction 2. Restriction Fragments 3. Amplification by PCR 4. Electrophoresis
Two steps of fingerprinting
500
Type of fibers, fiber color, number found, where, textile fiber originated, multiple, and time.
Uses of fibers.
500
Hidden prints caused by oils in the skin.
What is latent prints?
500
Each state and military.
DNA profiles are kept by?
500
1. Loops 2. Arches 3. Whorls
What are the 3 types of fingerprint patterns?
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