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2015-03-13T07:55:15+08:00

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Deoxyribonucliec acid or DNA it is a main structure of chromosomes and  a genetics material that transfers genetic characteristics in a life forms. it is form of chains of building block called nucleotides. DNA is organized on chromosomes located in the nucleus of the cell.
as I example, the inherited traits to be send out or transmitted from parent to child, the genetic information programmed in DNA must be copied with great exactness during cell division.


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