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WorksheetsHair and Fibre Evidence
Total questions: 15
Worksheet time: 1hrs 11mins
Name
Class
Date
1.
How does the amount of fibers found at a crime scene affect the significance of said fibre.
a)
It will increase the significance of the fibre because there is a bigger chance there was contact.
b)
It will do nothing to the significance
c)
It will decrease the significance because we are looking for rare fibres
2.
What is catagen?
a)
The final stage of hair growth
b)
The outer layer of keratin
c)
Transitional phase where hair growth slows
d)
A plant fibre
3.
What is a recipient garment?
a)
The garment that sheds fibres
b)
The garment that receives fibres
c)
The garment that is most ruined by the crime
4.
Describe head hair
a)
Usually the longest
b)
Triangular cross section
c)
Coarse and used for carpeting
5.
Hair is composed mostly of the protein
a)
lignin
b)
collagen
c)
keratin
d)
cellulose
6.
In order for hair to be considered individual evidence it must contain
a)
a complete medulla
b)
cells in its cortex
c)
nuclei in the cuticle
d)
a follicle
7.
You can get DNA from a piece of hair that does not have the root attached.
a)
True
b)
False
8.
hair always contains DNA
a)
true
b)
false
9.
Did this hair fall out naturally, or was it forcibly removed?
a)
Fell out naturally
b)
Was forcibly removed
10.
This is the beginning phase of hair growth...
a)
Anagen Phase
b)
Catagen Phase
c)
Telogen Phase
11.
Final phase of hair growth...
a)
Telogen Phase
b)
Anagen Phase
c)
Catagen Phase
12.
When fibers are transferred directly from victim to suspect or suspect to victim, this is called
a)
necessary transfer
b)
direct transfer
c)
absolute transfer
d)
secondary transfer
13.
Which aspect of fibers make them difficult to use as evidence in an outdoor crime scene?
a)
they are difficult to identify
b)
they are easily contaminated by other fibers
c)
they are easily destroyed by light
d)
they are easily blown away
14.
Where is Nuclear DNA found in the hair?
a)
root
b)
hair shaft
c)
tip
d)
medulla
15.
The transfer of evidence such as a fiber from a source to a person, then to another person or object, is called
a)
primary transfer
b)
secondary transfer
c)
tertiary transfer
d)
direct transfer
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