Hair Analysis

The central core of the hair is called the...?

• Medulla
• Cuticle
• Cortex
• Shaft

The tough clear outside covering of a hair shaft is

• cuticle
• cortex
• medulla
• polymer

The middle layer of a hair shaft that contains pigment

• the cortex
• the medulla
• the cuticle
• the polymer

What type of evidence is hair without the follicular tag considered?

• Individual
• Class

Hair always contains DNA

• true
• false

Tags

NGSS.MS-LS3-1

When Tom Lange placed a hospital blanket over Nicole Simpson's body to hide it from the media, one of the blanket fibers was transferred to her body.  What type of transfer is this?

• primary
• secondary
• tertiary

Hair can be used for drug testing because:

• the shaft contains living cells
• there is a blood supply to the follicle
• there is a blood supply to the cortex
• Hair cannot be used for drug testing

What must be present in a hair sample to obtain nuclear DNA?

• keratin
• drop of blood 
• healthy cuticle
• follicular tag

What is Loccard's Exchange Principle?

• Perpetrators always leave evidence behind.

• Every contact leaves a trace.

• All touches leave evidence.

• Long, violent confrontations leave evidence.

Which of the following hair types has an oval cross section?

• Caucasian

• African

• Asian

• None of the above