Deoxyribonucleic acid is the one referred to as DNA. It is a type of nucleic acid which has genetic instructions which are essential in growth and proper functioning of organisms and particularly living organisms. For this acid to work effectively it requires RNA which is another nucleic acid. The nucleic acid is made up of two polymers referred to as nucleotides. These nucleotides are made up of phosphate and sugar units. Reading of information is made possible by genetic code whereby it specifies the progression of amino acids. Through transcription copying is done to RNA, ribonucleic acid. The progression in this nucleic acid is similar to most human beings but enough of this can discern an individual from the other one. This can only be a little trick to a case of monozygotic twins, twins emerging from the same egg. This is what is called DNA Testing. DNA Testing is used to identify one RNA strain from another and decipher their similarities.
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