Forensics- Hair

How fast does the hair on your head grow every month?

• 1/4 inch
• 1/2 inch
• 1 inch
• 1 centimeter

Hair color comes from a pigment called

• Hair dye
• Melanin
• Paint
• Genes

Tags

NGSS.MS-LS1-5

What determines the thickness of your hair and whether or not it’s straight, curly, or wavy?

• Melanin
• Sebaceous glands
• Shampoo and conditioner
• Hair follicle

What produces oil and makes hair shiny?

• Sebaceous glands
• Hair root
•  Hair gel

Your parents’ _____ usually determine(s) your hair color.

• Genes
• Hair follicle
• Favorite color 
• Melanin

A person with brown or black hair has _________ melanin than a person with blonde hair.

• More
• Less
• Equal

The central core of the hair is called the...?

• Medulla
• Cuticle
• Cortex
• Shaft

After getting up from your desk chair, you see that you transferred one of your hairs to the chair. This is an example of what?

• Primary Transfer
• Secondary Transfer
• Tertiary Transfer
• Quaternary Transfer

Human hairs generally have what two types of medulla?

• Continuous or interrupted
• Fragmented or none
• Solid or interrupted
• Fragmented or solid

The best method to pick up hairs over a large surface area is...?

• gloves
• forceps
• tape lift
• vacuum