DNA AND DNA FINGERPRINTING
DNA and DNA fingerprinting. In this post, you are going to talk about dna and dna fingerprinting. Main contain 1.1 what is DNA 1.2 DNA fingerprinting 1.1 what is DNA * DNA as an acidic substance present in nucleus was first identified by Friedrich Meischer in 1869. * DNA term was given by - Zacharis * DNA is long polymer of deoxyribonucleotides. * DNA is negatives charge. * Wilkins and Franklin studied DNA molecule with the help of X-Ray crystallography. * With the help of this study, Watson and Crick (1953) proposed a double helix molel for DNA. For this model Watson, Crick and Wilkins were awarded by Noble Prize in 1962. * One main hallmark (main point) of double helix model is complementary base pairing between purine and pyrimidine. * According to this model, DNA is composed of two polynucleotide chains. * Both polynucleotide chains are complementary and antiparallel to each other. * In both strand of DNA direction of phosphodiester bond is opposite. i.e. If direction of phosphod