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Can fingerprints be altered or disguised?
Yes
What is an impression that is left on any surface that consists of patterns made by the ridges on a finger?
Fingerprint
A fingerprint pattern in which the ridge pattern originates from one side of the print and leaves from the other side.
Arch
True or False? Fingerprints have general ridge patterns that permit them to be systematically classified.
True
What chemical reacts with amino acids found in sweat?
Ninhydrin
When are fingerprints formed?
At 10 weeks of gestation
This pattern has one or more ridges that make a complete spiral. There are two deltas.
Plain Whorl
A center of a loop or a whorl.
Core
What is the scientific name for fingerprinting?!
Ridgeology
What chemical reacts with amino acids?
Cyanoacrylate
What form is created that is used to record and preserve a person's fingerprints?
Ten Card
What are the three main classified fingerprints?
Loops, Whorls, and Arches
A triangular ridge pattern with ridges that go in different directions above and below a triangle.
What fingerprint pattern resembles a bull's-eye?
Whorl
This chemical combines with carbohydrates in latent print and it must be photographed or sprayed with a solution of starch.
Iodine
What is a computerized system that is maintained by the Federal Bureau of Investigation?
IAFIS (Integrated Automated Fingerprint Identification System)
This pattern has one or more ridges that make a complete circle.
Central Pocket Loop Whorl
A fingerprint pattern in which the ridge pattern flows inward and returns in the same direction of the origin.
Loop
A three-dimensional fingerprint made in soft material such as clay, soap, or putty. What type of fingerprint is this?
Plastic Fingerprint
Chloride from salt in perspiration on the print combines with silver nitrate to form silver chloride. What is this Chemical?
Silver Nitrate
What year did Sir Edmund Richard Henry and colleagues create a system that divided fingerprint records into groups?
1896
what percentage of world have loops?
65%
The combination of details in the shapes and positions of ridges in fingerprints that make each unique.
Minutiae
A visible fingerprint that happens when fingers with blood, ink, or some other substance on them touch a surface and transfer that pattern of their fingerprint to that surface. What type of Fingerprint is this?
Patent Fingerprint
what chemical turns purplish-blue
Ninhydrin