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Abstract
The aim of this study is to spot light on deoxyribonucleic acid (DNA) regarding different methods of analysis and various applications in the field of forensic medicine.Deoxyribonucleic acid (dna) is the genetic code of most organizes chemically . it is a polymer made up of subunits (monomers_ known as nucleotide.
Each nucleotide has 3 components a phosphate linked by a phosphodiester bond to Deoxyribonucleic sugar which is linked to a nitrogenous base.
The dna is incorporated with certain proteins (histones) to from chromosomes human soma tic cells have 22 matched paiores of autosomal (non sex) chromosomes and two sex chromosomes .
One copy of each pair is in heridtefrom one`s mother and the other copy coming from one`s father….