Hi you know about DNA? As you know or body is made of cells and the cells are made out of the chromosomes. Here the chromosomes are made of some acids called, deoxyribonucleic acid, it replicate itself, and the body of each human body has about 3 billion and the amazing point is, 99 percent of them are the same in all people. DNA carry genetic information the personality information is carried by DNA and for each person the structure and the e information is different from the other person. Let’s watch the video about DNA to learn more about DNA.