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Questions and Answers
What type of impressions are left by the friction ridges of a human finger?
What results in fingerprints on surfaces such as glass or metal?
What do fingerprint records normally contain impressions from?
What makes human fingerprints suitable as long-term markers of human identity?
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What has been challenged by academics, judges, and the media regarding the use of fingerprint evidence?
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Study Notes
Fingerprints
- Fingerprints are left by the friction ridges of a human finger, which make contact with a surface.
Formation of Fingerprints
- Fingerprints on surfaces such as glass or metal result from the transfer of sweat and oils from the ridges on an individual's fingertips.
Fingerprint Records
- Fingerprint records typically contain impressions from the thumbs, index fingers, and middle fingers.
Uniqueness of Human Fingerprints
- The unique patterns of ridges and valleys on an individual's fingertips make human fingerprints suitable as long-term markers of human identity.
Challenges to Fingerprint Evidence
- The reliability and uniqueness of fingerprint evidence have been challenged by academics, judges, and the media.
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Description
Test your knowledge of forensic science and fingerprint analysis with this quiz. Learn about the unique patterns and characteristics of fingerprints and their significance in criminal investigations.
