If pattern types are shared between fingerprints, how is individualization achieved?

If pattern types are shared between fingerprints, how is individualization achieved?

• A. By comparing pattern orientation alone.
• B. By matching the overall ridge flow rate.
• C. By evaluating minutiae points and confirming enough points match to distinguish individuals.
• D. By analyzing the color of the ridges.

Answer: (C)

Pattern types being shared between fingerprints means that the broad ridge patterns can look similar across different fingers, so you can’t identify someone by pattern alone. Individualization comes from minutiae—the precise locations of ridge endings, bifurcations, and other small ridge features—and how many of these points match in the two prints in the same relative arrangement. When comparing, the prints are aligned, and enough corresponding minutiae must line up for the prints to be considered from the same finger. Ridge color or simple orientation alone don’t provide that level of specificity, and relying only on the overall ridge flow wouldn’t distinguish individuals.

Pattern types being shared between fingerprints means that the broad ridge patterns can look similar across different fingers, so you can’t identify someone by pattern alone. Individualization comes from minutiae—the precise locations of ridge endings, bifurcations, and other small ridge features—and how many of these points match in the two prints in the same relative arrangement. When comparing, the prints are aligned, and enough corresponding minutiae must line up for the prints to be considered from the same finger. Ridge color or simple orientation alone don’t provide that level of specificity, and relying only on the overall ridge flow wouldn’t distinguish individuals.