Grade 12 Hair Analysis Worksheet
This worksheet covers key concepts in hair analysis, including hair structure, growth stages, forensic applications, and basic identification techniques.
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Standards
Grade 12 Hair Analysis Worksheet
Name:
Date:
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Read each question carefully and answer to the best of your ability. For multiple choice questions, circle the correct option. For fill-in-the-blank questions, write your answer on the line provided.
1. Which layer of the hair shaft is the outermost layer and is composed of overlapping scales?
Cortex
Medulla
Cuticle
Follicle
2. The primary pigment responsible for hair color is:
Keratin
Melanin
Collagen
Hemoglobin
3. The active growth phase of hair is known as the phase.
4. During the phase, hair growth stops and the hair follicle shrinks.
5. Briefly explain the difference between a follicular tag and a hair shaft in forensic analysis.
6. DNA can be extracted from the hair shaft alone, even without a follicular tag.
True
False
7. The mitochondrial DNA in hair can be used to identify an individual with high certainty.
True
False
8. Label the indicated parts of the hair follicle diagram below.
A. (Cuticle)
B. (Cortex)
C. (Medulla)
D. (Hair Bulb)
E. (Sebaceous Gland)
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