Forensics Hair

Front

What are the three main ancestries identified in forensic hair analysis?

Back

Caucasoid/European, Mongoloid/Asian, Negroid/African.

Front

Where is Nuclear DNA found in a hair strand?

Back

In the hair root.

Front

What is trace evidence in the context of forensic science?

Back

Small but measurable amounts of physical or biological material found at a crime scene.

Front

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

Back

Telogen stage.

Front

In the pencil analogy, which part of the hair corresponds to the pencil's lead?

Back

The Medulla.

Front

What is the significance of the Medulla in hair analysis?

Back

The Medulla can provide information about the species of the hair and its origin.

Front

What are the three phases of the hair growth cycle?

Back

Anagen, Catagen, and Telogen.

Front

What is the Anagen phase in the hair growth cycle?

Back

The active growth phase where the hair follicle is actively producing hair.

Front

What role does mitochondrial DNA play in hair analysis?

Back

Mitochondrial DNA can be used to identify maternal lineage and is found in the hair shaft.

Front

How can hair be used as trace evidence in forensic investigations?

Back

Hair can link a suspect to a crime scene or victim through physical or biological material.