Hair Analysis

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

• Medulla
• Cuticle
• Cortex
• Shaft

The hair follicle is dormant and hairs are easily lost during which stage of the hair life cycle?

• Anagen
• Telogen
• Catagen
• Metagen

Hair is helpful in solving old crimes because…

• hair on a suspect never changes
• hair always contains DNA evidence
• hair takes little room to store in evidence closets
• hair does not easily decompose

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

Hair microscopy alone can be used to identify an individual whose hair matches the crime scene.

• True
• False

A hair consists of two parts: a follicle and a shaft

• True

• False

Bits of pigment found in the cortex of a hair is called melanin granules.

• True

• False