Forensics Hair & Fiber Review

Front

What are the three layers of hair?

Back

Medulla, Cortex, and Cuticle

Front

Where is Nuclear DNA found in the hair?

Back

Root

Front

What is a flexible, flat material made by interlacing yarns?

Back

Textile

Front

What percentage of fibers are estimated to be lost within 24 hours?

Back

95% of all fibers fallen or lost

Front

How is fiber evidence typically gathered?

Back

All choices correct (vacuums, tape or lint roller, forceps)

Front

What is the primary function of the cuticle in hair?

Back

Protects the inner layers of the hair shaft.

Front

What is the difference between natural and synthetic fibers?

Back

Natural fibers come from plants or animals, while synthetic fibers are man-made.

Front

What role does the medulla play in hair structure?

Back

It is the innermost layer and can provide information about the hair's origin.

Front

What is the significance of fiber evidence in forensic investigations?

Back

It can link a suspect to a crime scene or victim.

Front

What are the two main types of fibers?

Back

Natural fibers and synthetic fibers.