Forensic Hair Analysis

This part of the hair is the clear, outside covering of the hair shaft.

• Cuticle

• Cortex

• Follicle

• Medulla

The _____________________ is a dark row of proteins that runs along the center of a hair shaft.

• Cuticle

• Cortex

• Follicle

• Medulla

Which stage of hair growth makes up 80%-90% of all hair follicles at one time?

• Anagen

• Catagen

• Telogen

• Paragen

Hairs forcefully ripped out during the anagen stage may contain follicle cells attached to them.

• True

• False

DNA can be extracted from a hair ripped out during the anagen stage.

• True

• False

What cuticle scale pattern is this?

• Coronal

• Spinous

• Imbricate

What type of medulla does this hair have?

• Continuous

• Fragmented

• Absent

• Lattice

Cuticle Pattern

• Imbricate

• Coronal

• Spinous

Tags

NGSS.HS-LS4-4

Cuticle Pattern

• Imbricate

• Coronal

• Spinous

Tags

NGSS.HS-LS4-5

The tough clear outside covering of a hair shaft is

• cuticle
• cortex
• medulla
• polymer