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Application of DNA Fingerprinting using the D1S80 Locus in Lab Classes
Published on: July 17, 2021
Sex differences from fingerprint ridge density in the Indian population
Vinod C Nayak1, Prateek Rastogi, Tanuj Kanchan
1Department of Forensic Medicine and Toxicology, Kasturba Medical College, Manipal, India. vindumanipal@yahoo.com
Journal of Forensic and Legal Medicine
|February 5, 2010
Summary
Forensic science utilizes fingerprint ridge density to determine sex differences in the Indian population. Males typically exhibit lower ridge density (≤12 ridges/25 mm²) than females (>12 ridges/25 mm²).
Area of Science:
- Forensic Science
- Anthropology
- Biometrics
Background:
- Individuality determination is crucial in forensic investigations.
- Fingerprint analysis is a key method for establishing identity.
- Understanding population-specific variations in fingerprints aids forensic casework.
Purpose of the Study:
- To investigate sex differences in fingerprint ridge density.
- To analyze these differences within the Indian population.
- To establish potential correlations between ridge density and sex.
Main Methods:
- Collected fingerprint data from 100 males and 100 females of Indian origin.
- Quantified fingerprint ridge density per 25 mm².
- Performed statistical analysis to compare male and female ridge densities.
Main Results:
- A statistically significant difference in fingerprint ridge density was observed between males and females.
- Mean fingerprint ridge density of 12 ridges/25 mm² or less was more indicative of male origin.
- Mean fingerprint ridge density exceeding 12 ridges/25 mm² was more indicative of female origin.
Conclusions:
- Fingerprint ridge density can serve as a distinguishing characteristic between sexes in the Indian population.
- The findings contribute to forensic anthropology and biometric identification.
- This study highlights the importance of population-specific data in forensic analysis.
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