Fingerprints

Front

What is the most common type of fingerprint?

Back

Loop

Front

What chemical reacts with amino acids to produce a purple color?

Back

Ninhydrin

Front

When are fingerprints formed?

Back

At about 10 weeks gestation.

Front

What percentage of the population has arches as their fingerprint pattern?

Back

5%.

Front

What is the ridge count area in fingerprint analysis?

Back

The area where the number of ridges is counted to help identify fingerprint patterns.

Front

What is a delta in fingerprint analysis?

Back

A triangular area found in some fingerprint patterns, indicating a point of divergence.

Front

What is the core in fingerprint analysis?

Back

The central part of a fingerprint pattern, often used as a reference point.

Front

What are the three main types of fingerprint patterns?

Back

Loops, whorls, and arches.

Front

What is the significance of fingerprint analysis in forensic science?

Back

It is used for identification and comparison of individuals in criminal investigations.

Front

How do loops differ from whorls in fingerprint patterns?

Back

Loops have one or more ridges that enter from one side and exit on the same side, while whorls have circular or spiral patterns.