What is dna? where is it?
DNA, or deoxyribonucleic acid, is the familiar material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria.
Listen to the song above to learn more about DNA, then answer some questions by pushing the worksheet button