Fingerprint Patterns and Characteristics

This video tutorial explains the formation and uniqueness of fingerprints, highlighting that even identical twins have different fingerprints. It covers the three basic fingerprint patterns: arches, loops, and whorls, and their characteristics such as cores, deltas, and minutiae. The video also details the types of arches and whorls, and the ten minutiae patterns, providing a comprehensive understanding of fingerprint analysis.

What is a fingerprint also known as?

• Epidermal print

• Dactylogram

• Dermatoglyph

• Papillary line

Why do identical twins not have the same fingerprints?

• They have different skin layers

• Fingerprints are formed randomly

• Fingerprints are influenced by environmental factors

• They have different DNA

Which layer of skin grows faster, causing fingerprint patterns to form?

• Subcutaneous layer

• Basal layer

• Dermis

• Epidermis

What percentage of the population has loop fingerprint patterns?

• 50%

• 30%

• 65%

• 5%

What is the center of a whirl or loop called?

• Ridge

• Delta

• Core

• Minutiae

Which type of arch resembles a hill?

• Tented arch

• Plain arch

• Central arch

• Double arch

What is a double loop whorl often compared to?

• A peacock eye

• Yin and Yang symbol

• A spiral

• A triangle

Which loop opens towards the thumb?

• Tented loop

• Central loop

• Radial loop

• Ulnar loop

What is a bifurcation in fingerprint patterns?

• A circular ridge

• A ridge splitting into two

• A ridge ending

• A triangular region

Which minutiae pattern looks like a hook?

• Dot

• Spur

• Bridge

• Eye