Hair and Fiber Evidence Review

Hair is composed of what type of protein?

• Hemoglobin

• Collagen

• Insulin

• Keratin

Tags

NGSS.MS-LS3-1

What other part of the body is made up of the same protein that hair is?

• Nails

• Blood

• Muscle

• Brain Tissue

Tags

NGSS.MS-LS3-1

Why does the root have to be attached to a hair found at a crime scene in order for investigators to have "incriminating evidence" that will stand up in court?

• The root contains mitochondrial DNA

• The root shape can give incriminating evidence

• The root contains nuclear DNA

• The root does not need to be attached

What is the innermost layer of human hair that can be absent or present in different types of hair?

• Cuticle

• Cortex

• Medullla

What is the outermost layer of human hair that appears scalish?

• Cuticle

• Cortex

• Medulla

What is the name for the part of huan hair that contains the pigmentation or color?

• Cuticle

• Cortex

• Medulla

What part of the hair is shown by #1?

• Cuticle

• Cortex

• Medulla

What part of the hair is shown by #3?

• Cuticle

• Cortex

• Medulla

What part of the hair is shown by #2?

• Cuticle

• Cortex

• Medulla

What part of the hair is the letter B?

• Medulla

• Cuticle

• Cortex