A DNA Fragment is an item, that you get in Bakugan Dimensions by uploading a DNA Code. In every DNA Code you get a Bakugan and a number of DNA Fragments. Bakugan come with another DNA fragment that may be used in later events. Bakugan usually come with 2 of their own DNA fragment as well as another Bakugan's, and a Rare DNA fragment. Cells contain DNA, which is expressed using a universal genetic code.