DNA Fingerprinting Technology
- The technique analyses each individual’s unique DNA sequences and provides distinctive characteristics of the individual which helps in identification.
- A variable number of tandem repeat sequences (VNTRS) serve as molecular markers for identification.
- This technique was developed by Alec Jeffrey.
- The human genome has 3 billion base pairs.
- Each person’s DNA sequence is unique due to the small difference in the base pairs.
- Therefore, if we want to compare the genetic difference between the two individuals, DNA fingerprinting is the easier and quicker method.
Applications of DNA Fingerprinting
- DNA fingerprinting technique is widely used in forensic applications like crime investigation such as identifying the culprit.
- It is also used for paternity testing in case of disputes.
- It also helps in the study of genetic diversity of population, evolution and speciation.