Module 2 Lesson 2
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Hair evidence is valuable in a criminal investigation because it…
Remains intact for a long period
Two methods that help to individualize hair evidence are….
Microscopy and DNA analysis
The longest hairs on the human body are found on the….
Head and face
A trait that distinguishes colour-treated hair from untreated hair is that a colour-treated hair exhibits….
Little colour variation in the medulla
Two characteristics that distinguish hairs from the head from other body hairs are that hairs from the head are often…
Colour-treated and sun-bleached
One feature that differentiates eyebrow and eyelash hairs from other body hairs is that they are….
Tapered
A general feature that distinguishes human hair from animal hair is that human hairs tend to have a…..
Consistent colour throughout the shaft
What shape is the root of a human hair?
Club
What is a distinguishing feature of a hair that has been forcibly removed?
The root has a follicle attached
A hair from a suspect who has recently committed arson would likely have a….
Blackened/frayed tip
The general appearance and index pattern in the medulla of the human hair is….
No distinct structure, amorphous
The distinct medulla pattern found in a hair from a deer is called…
Lattice