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Webquest – Hair Analysis, Exercises of Forensics

Identify the key structures and characteristics of hair, and distinguish between human and animal hair.

Typology: Exercises

2021/2022

Uploaded on 01/21/2022

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Webquest – Hair Analysis
N
ame:
F
ORENSIC
S
CIENCE
– Hair
Date: Hr:
Unit Goal: I can identify the key structures and characteristics of hair, and distinguish between
human and animal hair.
1. What instrument is typically used to conduct forensic analysis on hairs found at a crime scene?
2. What two steps must be done when analyzing a hair from a crime scene?
3. Explain how the comparison microscope is useful for analysis of hair evidence in a forensic crime
lab.
4. Draw a flow chart of the different steps of the hair examination process:
For Example:
5. Use the article to prove or disprove this statement: All hairs from the same person have the same
microscopic characteristics.
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Webquest – Hair AnalysisF ORENSICUnit Goal: I can identify the key structures and characteristics of hair, and distinguish between S CIENCE – Hair Name:Date: Hr:

human and animal hair.

  1. What instrument is typically used to conduct forensic analysis on hairs found at a crime scene?
  2. What two steps must be done when analyzing a hair from a crime scene?
  3. Explain how the comparison microscope is useful for analysis of hair evidence in a forensic crimelab.
  4. Draw a flow chart of the different steps of the hair examination process:For Example:
  5. Use the article to prove or disprove this statement: All hairs from the same person have the samemicroscopic characteristics.
  1. Describe the different phases of hair growth and the distribution of hairs in each phase on a normalhead.
  2. Why is it important to forensic investigators the STAGE of hair growth of fibers found at a crimescene?
  3. Describe the importance of standard samples in hair analysis and how it can be done properly inthe case of animal hairs.
  4. What types of characteristics about an individual can be derived from microscopic analysis of hairsfound at a crime scene?
  5. Can analysis of hair give any information about relative age and sex of an individual? Explain youranswer.
  6. What is a postmortem root band?
  7. In your own words, what conclusions can be drawn from microscopic hair analysis?
  8. Can hair alone provide absolute identification of an individual to a hair sample?