Fingerprint Pattern Similarities Among Family Members: A Forensic Study of Hereditary Factors
DOI:
https://doi.org/10.48165/jfmt.2026.43.01.07Keywords:
forensic science, Forensic medicine, fingerprint pattern, family fingerprint, inheritance of fingerprintAbstract
Fingerprints are a vital tool for identifying criminals and disaster victims. While DNA testing is effective, it is expensive and often a resource constraint for agencies like DVI. A more affordable solution is a fingerprint recognition system integrated with population data. Interestingly, 46.4% of children share the same fingerprint pattern as their parents. This similarity allows for the identification of underage victims or those without biometric data by matching their fingerprints with living relatives. This research aims to analyze inherited fingerprint patterns within families. Fingerprint are obtained from 36 subject of 2 big families comprising of a group of three levels of descent. The data obtained were analyzed by elaborating the data in the form of tables and statistic test. There is a high prevalence of the Ulnar Loop fingerprint pat tern in Family A (75.33%) and Family B (78.57%). In Family A, Ulnar Loop was found on the middle finger of the right hand (100%), and the middle finger of the left hand (93.33%). In Family B, grandparents with 100% Ulnar Loop patterns passed this trait to all their children except for one with 90%. A significant relationship between family members and fingerprint pattern similarity shows in both families (p value < 0.05). The Ulnar Loop showed a strong positive correlation (0.765***) in Family A and a strong negative correlation (-0.716**) in Family B, highlighting complex inheritance patterns. These findings strongly indicate a significant familial influence on fingerprint patterns, particularly the Ulnar Loop, affirming the potential for developing family-based fingerprint-matching technologies.
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References
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