DNA fingerprinting is a scientific method for recognizing individuals based on their unique genetic blueprint. Although 99.9% of human DNA is similar across people, the remaining 0.1% contains variations that make each individual unique. This test examines specific DNA regions, known as Short Tandem Repeats or STRs, which vary greatly among individuals. By analyzing these STRs, experts can create a DNA profile that is highly specific to an individual. In this blog, we'll cover the application and method of DNA profiling tests.
Applications of DNA Fingerprint Test
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Forensic Investigations: DNA profiling plays a critical role in criminal cases. Biological samples, such as buccal swabs, blood, or hair, can be analyzed to link a suspect to a crime scene or exonerate the innocent.
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Paternity & Family Relationships: This test is commonly employed to determine biological connections. By comparing individuals' DNA profiles, it is possible to determine parentage or recognize relatives.
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Identification in Disasters: In events such as natural disasters, DNA profiling test helps recognize victims when other means are not feasible.
What is the Process of DNA Profiling Test?
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Sample Collection: DNA is extracted from biological materials such as blood, saliva, or hair.
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DNA Extraction & Amplification: The DNA is purified, and specific regions are amplified utilizing a technique called PCR or Polymerase Chain Reaction. This process creates many copies of the DNA segments of interest.
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Analysis: The amplified DNA fragments are separated and examined to create a unique pattern known as a DNA profile.
The precision of the DNA profiling test is exceptionally high, with the probability of two people (except identical twins) having the same profile being extremely low. This makes it a dependable tool in different fields, including law enforcement and family law.
DNA fingerprinting is a powerful approach that leverages the unique genetic variations in people to offer critical information for forensic investigations, confirm family connections, and help in identification processes.
Why Choose Us?
DNA Forensics Laboratory Pvt. Ltd. is India's first private DNA testing laboratory, offering accredited and accurate DNA profiling services. With NABL accreditation and ISO 9001:2015 certification, we ensure accurate results by testing samples twice in parallel. Our 24x7 dedicated support and nationwide presence make us a trusted option for DNA testing needs.
Call +91 8010177771 or WhatsApp us at +91 9213177771 to learn more.
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