Hair and Fiber Analysis Summative

Front

What is secondary transfer in the context of hair and fiber analysis?

Back

Secondary transfer refers to the transfer of evidence, such as a fiber, from a source to a person, and then from that person to another person.

Front

During which stage of the hair life cycle is the hair follicle dormant?

Back

The hair follicle is dormant during the Telogen stage.

Front

What material is fiberglass made from?

Back

Fiberglass is a fiber form of glass.

Tags

NGSS.MS-PS1-3

Front

How can you determine if hair was forcibly removed?

Back

If the hair was forcibly removed, it may show signs of root damage or trauma.

Front

Does hair always contain DNA?

Back

False, hair does not always contain DNA.

Front

What is the Anagen stage in the hair life cycle?

Back

The Anagen stage is the active growth phase of hair.

Tags

NGSS.MS-LS1-5

Front

What is the Catagen stage in the hair life cycle?

Back

The Catagen stage is a transitional phase where hair growth slows and the hair follicle shrinks.

Front

What is the significance of the Telogen stage in forensic analysis?

Back

The Telogen stage is significant because hair is easily lost during this phase, making it important for determining the circumstances of hair loss.

Front

What type of evidence can fibers provide in forensic investigations?

Back

Fibers can provide trace evidence linking a suspect to a crime scene or victim.

Front

What is the difference between primary and secondary transfer?

Back

Primary transfer occurs when evidence is transferred directly from the source to a person, while secondary transfer involves an intermediary.