Which fingerprint pattern is the most common among whorls?

What are the two subcategories of loops?

What is the term used to describe the ridge that makes a U-turn in a loop pattern?

What term is used when no appendages strike the recurve at a right angle?

Which fingerprint pattern is the most common in the population?

What is a delta in fingerprint analysis?

What are the characteristics of a delta in fingerprint analysis?

What are the three main types of fingerprint patterns?

When referring to characters in plays, use

In manipulative studies, treatments are often assigned randomly to reduce bias.