Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
Methods of Classification and Identification01:28

Methods of Classification and Identification

Bacterial identification relies on a diverse array of techniques to classify and understand microorganisms, each tailored to uncover specific characteristics. Traditional morphological approaches, while still valuable, are limited for closely related or structurally simple organisms. Modern methods integrate biochemical, serological, genetic, and advanced molecular tools to achieve greater accuracy.Morphological and Biochemical TechniquesMorphological characteristics, such as cell shape and...
Modern Molecular Taxonomy01:29

Modern Molecular Taxonomy

Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
Eyewitness Memory01:22

Eyewitness Memory

Eyewitness memory refers to the recollection of events by someone who has directly witnessed them, often serving as critical evidence in legal settings. This type of memory is commonly used in criminal cases where a witness describes details like a suspect's appearance, clothing, or behavior during a crime. However, despite its perceived reliability, eyewitness memory is prone to significant errors.
One such error is memory distortion, which occurs because human memory does not function like a...
Southern Blot02:57

Southern Blot

Agarose gel electrophoresis is very useful in separating DNA fragments by size. Running a DNA ladder containing fragments of the known length alongside the sample helps determine the approximate length of the sample DNA fragments. However, additional steps are needed to verify the sequence identity of the sample DNA fragments.
Denatured DNA fragments must be transferred onto a carrier membrane from the gel to make it accessible to a probe - a small ssDNA fragment complementary to the target DNA...
Karyotyping01:17

Karyotyping

Describing the number and physical features of chromosomes can reveal abnormalities that underlie genetic diseases. This description is facilitated by special staining techniques that produce a particular banding pattern on each chromosome. State-of-the-art techniques make this approach even more powerful, enabling the detection of individual genes that cause disease.A Simple Chromosome Staining Technique Provides Valuable Scientific InsightSome genetic diseases can be detected by looking at...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Direct-to-definitive urine drug screening in children unmasks false-negative immunoassay screening.

Clinica chimica acta; international journal of clinical chemistry·2026
Same author

Inter-Instrument Imprecision Complements Bias in Evaluating LDL-C Method Performance.

Clinical chemistry·2026
Same author

Racial Equity in Urine Drug Screening Policies in Labor and Delivery.

JAMA network open·2025
Same author

Cardiac troponin I is associated with ICU admission in pediatric patients with RSV.

Clinical biochemistry·2025
Same author

Estimation of gestational age-specific reference intervals for coagulation assays in a neonatal intensive care unit using real-world data.

Journal of thrombosis and haemostasis : JTH·2024
Same author

Evaluation of a multiplex liquid chromatography-tandem mass spectrometry method for congenital adrenal hyperplasia in pediatric patients.

Clinical mass spectrometry (Del Mar, Calif.)·2024

Related Experiment Video

Updated: Jun 23, 2026

Enhanced Genetic Analysis of Single Human Bioparticles Recovered by Simplified Micromanipulation from Forensic ‘Touch DNA’ Evidence
11:49

Enhanced Genetic Analysis of Single Human Bioparticles Recovered by Simplified Micromanipulation from Forensic ‘Touch DNA’ Evidence

Published on: March 9, 2015

Forensic aspects of DNA-based human identity testing.

Stephen M Roper1, Owatha L Tatum

  • 1Texas Tech University Health Sciences Center, Department of Laboratory Sciences and Primary Care, Molecular Pathology Program, Lubbock, Texas, USA.

Journal of Forensic Nursing
|May 8, 2009
PubMed
Summary

DNA identity testing offers powerful forensic insights, improving accuracy and statistical power. Understanding these molecular biology techniques is crucial for healthcare providers in forensic applications.

More Related Videos

Application of DNA Fingerprinting using the D1S80 Locus in Lab Classes
08:35

Application of DNA Fingerprinting using the D1S80 Locus in Lab Classes

Published on: July 17, 2021

A Noninvasive Hair Sampling Technique to Obtain High Quality DNA from Elusive Small Mammals
07:40

A Noninvasive Hair Sampling Technique to Obtain High Quality DNA from Elusive Small Mammals

Published on: March 13, 2011

Related Experiment Videos

Last Updated: Jun 23, 2026

Enhanced Genetic Analysis of Single Human Bioparticles Recovered by Simplified Micromanipulation from Forensic ‘Touch DNA’ Evidence
11:49

Enhanced Genetic Analysis of Single Human Bioparticles Recovered by Simplified Micromanipulation from Forensic ‘Touch DNA’ Evidence

Published on: March 9, 2015

Application of DNA Fingerprinting using the D1S80 Locus in Lab Classes
08:35

Application of DNA Fingerprinting using the D1S80 Locus in Lab Classes

Published on: July 17, 2021

A Noninvasive Hair Sampling Technique to Obtain High Quality DNA from Elusive Small Mammals
07:40

A Noninvasive Hair Sampling Technique to Obtain High Quality DNA from Elusive Small Mammals

Published on: March 13, 2011

Area of Science:

  • Forensic Science
  • Molecular Biology
  • Genetics

Background:

  • Forensic DNA identity testing applications are frequently underestimated.
  • Recent advancements in molecular biology have significantly enhanced the accuracy and statistical power of DNA identity testing.
  • DNA technology is now integral to forensic laboratories due to its reliance on unique individual DNA sequences.

Purpose of the Study:

  • To discuss the current state of DNA-based human identity testing.
  • To describe the technologies employed in DNA identity testing.
  • To explain the forensic applications of DNA identity testing.

Main Methods:

  • Comparison of individual technologies used for DNA analysis.
  • Detailed description of Polymerase Chain Reaction (PCR) and Southern Blotting techniques.
  • Focus on detecting molecular differences that establish individual uniqueness.

Main Results:

  • Modern DNA-based identity testing provides high accuracy and statistical power.
  • Technologies like PCR and Southern Blotting effectively detect unique molecular differences.
  • DNA testing is a cemented tool in forensic laboratories.

Conclusions:

  • Healthcare providers need to understand the principles, techniques, and background of DNA-based identity testing.
  • The increasing reliance on DNA testing necessitates broader comprehension among healthcare professionals.
  • DNA identity testing is a vital forensic tool with significant implications.