DNA Profiling Test - Your Unique Genetic Fingerprint

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DNA consists of a unique code inside every cell of your body that is completely different from anyone else's on the planet. It holds the key to your identity. Just like your fingerprints are unique, your DNA has a special pattern that belongs only to you.

The science of reading this pattern is called DNA Profiling. It is a powerful method that creates a unique genetic fingerprint, which offers a level of identification that is nearly impossible to challenge. This DNA profile is used to solve crimes, settle legal disputes, and provide undeniable proof of identity.

About DNA Profile

Think of your DNA as a very long book of instructions. While most of this book is the same for all humans, certain sections have repeating patterns that vary from person to person. These are called Short Tandem Repeats (STRs). A DNA profile is created by analyzing these specific repeating sections.

Scientists look at a number of these STR markers to create a unique profile. The chances of two people (who are not identical twins) having the same DNA profile are incredibly small—less than one in a billion. This makes the DNA profiling test one of the most accurate and reliable forms of identification known to science.

How is a DNA Profile Created?

The process of creating a DNA profile is a fascinating journey that takes place inside a highly advanced laboratory. It is a careful and precise procedure designed to deliver a clear and accurate result.

The process follows these key steps:

  1. Sample Collection: The initial step is to collect a person's DNA. It can be obtained using a cheek swab, blood, hair, or even a tiny spot of saliva left on a cup.

  2. DNA Extraction: In the lab, scientists carefully extract the DNA from the cells in the sample, separating it from all other materials.

  3. Amplifying the DNA: A technique called Polymerase Chain Reaction (PCR) is utilized to make millions of copies of the specific STR markers. This ensures there is enough DNA to be analyzed properly.

  4. Creating the Profile: The copied STR markers are then analyzed to determine their length and pattern. This pattern is then recorded, creating the unique DNA profile—a series of numbers that acts as a genetic fingerprint.

Uses of a DNA Profiling Test

DNA Profiling is used in many different and important situations because of its accuracy and reliability. It provides clear answers where there might otherwise be doubt or dispute.

Its most common applications include:

  • Criminal Investigations: DNA from a crime scene (like a drop of blood or a single hair) can be compared to a suspect's DNA profile. A match can place a suspect at the scene, while a non-match can prove their innocence.

  • Legal & Family Disputes: It is often used in legal cases, like child custody, to confirm parentage, and in inheritance claims, to prove the biological relationship.

  • Personal Identification: A DNA profile is the ultimate form of personal ID. It can be used to identify individuals in situations where other methods fail, such as in mass disasters or for missing persons cases.

  • Protecting Your Future: Some people choose to have their DNA profile created and stored securely. This can be a wise step for personal reasons, such as for future inheritance matters or as a permanent record of their unique genetic identity.

DNA Forensics Laboratory (DFL) - A Reliable Lab for DNA Profiling

DNA Forensics Laboratory (DFL) provides expert DNA profiling for every need, from legal disputes to personal records. As India's only private lab authorized for legal cases, our NABL-accredited reports offer the undeniable proof required by courts, police, and families.

Primary reasons to trust DFL: 

  • Cutting-edge technology

  • High-trained professionals

  • 400+ sample collection centers across the globe

  • Legally-admissible DNA reports

  • Fast & on-time reports

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