What is DNA fingerprinting? Alec Jeffreys DNA fingerprinting is a technique to identify a person based on his/her DNA specificity. Every individual organism is unique. Thus every person has unique DNA fingerprint. It can't change by any known technique. It is a quick way to compare the DNA sequences of any two individuals. DNA fingerprinting developed by Alec Jeffreys. Paternity test Applications: Paternity test Criminal Identification Determination of population diversity Determination of genetic diversity Principle: It has found that the DNA of an individual carries some specific nucleotide sequences which don't code for any information or proteins. These sequences repeated many times and found at many places throughout the DNA. These sequences of satellite DNA which are very specific in each individual and vary in number from person to person and are inherited. These are a variable number of tandem repeats (VNTRs). Each individual inherits these repeats from his/
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