Forensics Quiz: Hair Analysis

True or False: The shaft of the hair is considered class evidence in a trial.

• True

• False

True or False: Hair is composed of a protein called Keratin.

• True

• False

Tags

NGSS.MS-LS3-1

True or False: All hairs on the head of a person are identical.

• True

• False

True or False: The cortex of the hair contains pigment (color).

• True

• False

The hair shaft is composed of the cuticle, cortex, and ____________.

• Medulla

• Root

• Crown

• Follicle

What part of the hair must be present in order to conduct a full DNA analysis?

• Medulla

• Root

• Follicle

• Crown

Why is hair mostly considered class evidence?

• Because its characteristics can be linked to a certain class of people

• Without the follicle, it can't be linked to an individual

• Hair can only indicate a racial group/sex/age; therefore, can only be matched to a class of individuals.

• All of the above

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