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Fingerprint resemblance amongst siblings and non-siblings - Forensic and anthropological implications
Akansha Rana1, Damini Siwan2, Rakesh Meena1
1Department of Anthropology (UGC Centre of Advanced Study), Panjab University, Sector-14, Chandigarh, India.
Die Naturwissenschaften
|January 21, 2025
Summary
Sibling thumbprints show significant similarity, suggesting familial resemblance can aid forensic identification. This study analyzed 144 individuals, finding higher pattern congruence in siblings than non-siblings.
Area of Science:
- Forensic science
- Genetics
- Anthropology
Background:
- Fingerprints, especially thumbprints, are vital for identification in forensic science.
- Understanding fingerprint pattern similarities can enhance identification accuracy.
Purpose of the Study:
- To compare thumbprint patterns between siblings and non-siblings.
- To investigate familial resemblance in fingerprint characteristics.
- To assess the potential of fingerprint analysis in forensic investigations.
Main Methods:
- Collected thumbprints from 144 individuals (72 sibling pairs, 72 non-sibling pairs).
- Utilized Jaccard Similarity Index to quantify pattern similarity.
- Employed chi-square and Cramer's V tests for statistical association analysis.
Main Results:
- Sibling pairs exhibited a 69.44% similarity in right thumbprint patterns.
- Non-sibling pairs showed only 30.56% similarity in right thumbprints.
- A significant statistical association (p=0.0002) confirmed strong correlation in sibling thumbprint patterns.
Conclusions:
- Thumbprint patterns show significant similarity among siblings, indicating familial influence.
- Findings support the use of fingerprint analysis for identifying familial resemblance in forensic contexts.
- This research has implications for anthropology, population genetics, and forensic science advancements.
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