Trace Evidence

Which is NOT part of the hair shaft?

• medulla

• follicle

• cortex

• cuticle

Which part of the hair contains the pigment that gives hair its color ?

• medulla

• cuticle

• follicle

• cortex

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

• Medulla
• Cuticle
• Cortex
• Shaft

Hair analysis may be used to determine all of the following except:

• exposure to toxins or drugs

• body region from which the hair came from

• broad racial background of the individual from which the hair came from

• sex of the individual from which the hair came from

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

Hair is usually what type of evidence?

• Class

• Individual

• unknown

• all of the above

What types of DNA can be found on hair that has been forcibly removed?

• Mitochondrial

• nuclear

• Both mitochondrial and nuclear

• none

In order for hair to be considered individual evidence it must contain

• a complete medulla

• cells in its cortex

• nuclei in the cuticle

• a follicle with tissue attached

Did this hair fall out naturally, or was it forcibly removed?

• Fell out naturally
• Was forcibly removed