Exploring the Uses and Methods of DNA Profiling Test

Dnaforensicslab
3 min readApr 22, 2024

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DNA fingerprinting is a highly valued and fascinating tool in advanced science and forensic investigation. It was developed by Alec Jeffreys in 1980 to identify people based on their unique genetic makeup. This method detects minisatellites in the genome, which creates a distinct pattern for each individual. DNA fingerprinting, also known as DNA profiling, analyzes and compares DNA samples to determine whether they match. This blog will delve into the uses and workings of DNA profiling.

What are the Uses of DNA Profiling Tests?

In India, modern society uses DNA profiling tests for criminal and civil purposes. DNA profiling tests are used in criminal cases as evidence and in civil cases to establish biological relationships. Researchers use DNA profiling to evaluate genetic defect inheritance risks and identify traits associated with cancer, Alzheimer& diabetes.

As a medical application, it matches the tissues of a recipient and donor in organ transplantation cases. With advanced profiling methods, the use of DNA in different fields will grow over the period.

How Does DNA Profiling Work?

Following are the steps involved in the DNA profiling test are:

  • Sample Collection: Sample collection is the first step in the DNA profiling test. We prefer buccal swab samples for testing. The swabs are rubbed inside the cheek walls to collect the epithelial cells. Moreover, buccal swabs are stored for up to two weeks. Other samples, such as blood, saliva, hair follicles, etc, are also collected for the DNA profiling test.
  • STR (Short Tandem Repeats ) Analysis: STRs are important in DNA profiling. Short tandem repeats examine regions within an individual’s DNA. Each person has a distinctive pattern of changes in the number of repetitions at different STR locations.
  • PCR Amplification: Polymerase Chain Reaction (PCR) is used to amplify a region of DNA. This technique makes millions of copies of DNA sequences in small amounts, making them suitable for analysis.
  • Fragment Analysis: The DNA fragments are then separated & analyzed using a technique called gel electrophoresis. In gel electrophoresis, DNA-amplified fragments migrate through a gel matrix at different rates based on size.
  • DNA Analysis: When examining a DNA profile, the pattern of bands is reviewed to determine if there is a match. This matching procedure can determine biological relationships, help in forensic investigations, perform paternity tests, etc. It is a vital tool in modern science and has many applications in different fields.

Why Choose DNA Forensics Laboratory for Reliable DNA Profiling Tests?

At DNA Forensics Laboratory Pvt. Ltd., we understand the importance of reliable DNA testing. That’s why we are India’s most trusted DNA testing company. Our court-approved DNA tests are conducted at the recommendation of legally authorized individuals or the Honorable Court. We prioritize quality and efficiency over everything.

With over 400 national and international collection centers, our highly skilled and qualified team of experts can help you understand everything about DNA profiling. For your convenience, you can order the DNA test kit online for peace of mind cases only. Our fastest turnaround time is just 4–5 working days, and we even offer same-day or next-day reports with terms and conditions applied. Trust us to provide you with accurate and timely DNA test results.

For further queries regarding DNA profiling tests or to schedule an appointment, call us at +91 8010177771. You can also send the messages on WhatsApp at +91 9213177771.

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Dnaforensicslab
Dnaforensicslab

Written by Dnaforensicslab

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DNA Forensics Laboratory is a private DNA testing company that specializes in offering reliable, accurate and confidential testing services.

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