Forensic Science Hair Analysis

the tough clear outside covering of a hair shaft is

• cuticle
• cortex
• medulla
• polymer

hair always contains DNA

• true
• false

This is the intermediate phase...

• Catagen Phase
• Telogen Phase
• Anagen Phase

Final phase of hair growth...

• Telogen Phase
• Anagen Phase
• Catagen Phase

In which phase of hair growth is hair actively growing?

• anagen
• catagen
• telogen
• melanen

Where is Nuclear DNA found in the hair?

• root
•  hair shaft
• tip
• medulla

Hair evidence is usually

• Individual Evidence

• Direct Evidence

• Class Evidence

• All of These

We know hair is from a human if…

• The medullary index is 0.5 or greater           
• The medullary index is 0.33 or less
• The cuticle is coronal
• The medulla is fragmented

What is the tough outer layer of the hair shaft?

• cortex
• cuticle
• epidermis
• medulla

This is a picture of a:

• Human Hair
• Animal Hair
• Carpet fiber
• Man-made fiber