Hair Evidence Review

Front

What is the significance of hair in forensic science?

Back

Hair does not easily decompose, making it useful for solving old crimes.

Front

How can you determine if hair is from a human or an animal?

Back

By examining the characteristics of the hair, such as the medullary index and cuticle patterns.

Front

What is the medullary index?

Back

The ratio of the diameter of the medulla to the diameter of the hair.

Front

What does a high medullary index indicate?

Back

It typically indicates that the hair is from an animal.

Front

What are the two main categories of hair origin?

Back

Human and animal.

Front

Why is hair evidence considered less reliable than DNA evidence?

Back

Hair does not always contain DNA, whereas DNA evidence is more definitive.

Front

What is the role of the medulla in hair structure?

Back

The medulla is the central core of the hair, which can vary in appearance among different species.

Front

What is the importance of hair in crime scene investigations?

Back

Hair can provide clues about the presence of a suspect or victim at a crime scene.

Front

What factors can affect the preservation of hair evidence?

Back

Environmental conditions, such as moisture and temperature, can affect hair preservation.

Front

How can forensic scientists analyze hair samples?

Back

By using microscopy to examine the hair's structure and comparing it to known samples.