Dna Fingerprinting

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Dna Fingerprinting
Published 12/2025
MP4 | Video: h264, 1920x1080 | Audio: AAC, 44.1 KHz
Language: English | Size: 172.35 MB [/center] | Duration: 0h 39m
DNA profiling, Variable Number Tandem Repeats (VNTRs), mitochondrial DNA, crime scene investigations and paternity tests
What you'll learn
Introduction of DNA fingerprinting
Introduction of DNA fingerprinting
Variable Number Tandem Repeats (VNTRs)
Procedure of DNA fingerprinting
Applications of DNA fingerprinting
Requirements
There are no particular skills required for this course, sound knowledge of biology is sufficient.
Description
Unlock the power of genetics with our comprehensive course on DNA fingerprinting! This course is designed for beginners and professionals alike, providing a thorough understanding of DNA fingerprinting technique, its applications, and their significance in various fields such as forensic science, paternity testing, and biodiversity conservation. At its core, DNA fingerprinting is a molecular biology technique used to identify individuals based on their unique DNA profiles. Each person's DNA contains distinct patterns that can be analyzed for variations, making it a powerful tool for personal identification. This biometric method is widely used in forensic science, and paternity testing.The basis of DNA fingerprinting lies in the fact that, while all humans share about 99.9% of their DNA, the remaining 0.1% contains variations-known as polymorphisms-that are unique to individuals. These variations occur in non-coding regions of DNA, which do not code for proteins but contain valuable information for identification. At its core, DNA fingerprinting relies on the fundamental principle that every individual, with the exception of identical twins, possesses a unique genetic code. Our DNA, or deoxyribonucleic acid, is a double-helix molecule composed of nucleotide bases adenine, thymine, guanine, and cytosine arranged in specific sequences that encode all our genetic information. The science of DNA fingerprinting focuses specifically on regions of the genome known as Variable Number Tandem Repeats (VNTRs) and Short Tandem Repeats (STRs). These are segments of DNA where short sequences of nucleotides are repeated multiple times in succession. The number of these repeats varies significantly between individuals, creating unique patterns that can be analyzed and compared. VNTRs typically contain repeat units of 10-100 base pairs, while STRs contain shorter repeat units of 2-6 base pairs. Modern forensic laboratories predominantly utilize STR analysis due to its reliability with degraded samples and its high discriminatory power.The theoretical foundation of DNA fingerprinting was established by Sir Alec Jeffreys at the University of Leicester in 1984. His groundbreaking discovery demonstrated that these hypervariable regions could be visualized as distinct banding patterns, similar to traditional fingerprints but with far greater specificity. This discovery transformed criminal investigations, paternity testing, and numerous other fields requiring definitive identification.
If a student has sufficient knowledge of biology, molecular biology, biotechnology, bioinformatics, botany, and zoology etc. This course is for him.

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