Hair and Fiber Analysis Review

Front

What is the central core of the hair called?

Back

Medulla

Front

Why is hair helpful in solving old crimes?

Back

Hair does not easily decompose.

Front

Where does mitochondrial DNA come from?

Back

The mother.

Front

What is the outermost layer of the hair called?

Back

Cuticle.

Front

How can we determine if hair is from a human?

Back

The medullary index is 0.33 or less.

Front

What is the function of the cortex in hair?

Back

The cortex provides strength, color, and texture to the hair.

Front

What is the significance of the medullary index in hair analysis?

Back

It helps differentiate between human and animal hair.

Front

What are the three main layers of hair?

Back

Medulla, Cortex, Cuticle.

Front

What type of DNA is found in hair follicles?

Back

Nuclear DNA and mitochondrial DNA.

Front

What is the role of the hair follicle?

Back

It anchors each hair into the skin and provides nutrients.