Most people have either heard, or used the abbreviation DNA . But do you know what DNA is ?
DNA stands for Deoxyribonucleic acid. Deoxyribonucleic acid is a microscopic chemical string that is like the hard drive of living organisms —organisms like you!
You’re probably familiar with a computer hard disk, right? The computer hard disk keeps all the necessary information the computer needs to function and execute programs. With computer hard disks, a very sharp needle reads the surface of the disk as it spins really fast to encode and extract the data.