Types of Fingerprints

What is the evolutionary purpose of fingerprints?

• for identity
• there is no purpose
• to help grasp objects
• the ridges protect your fingers

When are fingerprints formed?

• When you are a teenager
• During fetal development
• By the time you are two years old
• At birth

A fingerprint is considered individual evidence.

• False
• True

Do two people ever have the same fingerprints?

• yes
• no

How many times will your fingerprint pattern change throughout your life?

• Three times

• Your fingerprint pattern will change anytime you get a scar or due to skin disease.

• The pattern will never change.

• It will change as you grow from a baby to an adult.

Which fingerprint pattern is the most common?

• Loop

• Arch

• Whorl

• Ridge

How do you permanently erase fingerprints?

• You can use chemicals.

• You can use sandpaper.

• You can only erase them temporarily, they will grow back.

• If you have skin problems, they will be erased.

Identical twins have:

• Identical fingerprints
• Different fingerprints

Identify the fingerprint

• Arch
• Loop 
• Whorl
• Swirl

Identify this fingerprint

• Arch
• Loop
• Whorl
• Swirl