Many Dragon Ball Z fans cite the Cell Saga as their favorite arc of the anime, but it's easily the series' weakest link.
To start, keep in mind that these battles are only from the Dragon Ball Z series. This means that we won’t be including fights from the original Dragon Ball story, Dragon Ball Super, and/or Dragon ...
Another reason why people who watched Dragon Ball Z ask the question "Whose DNA does Cell have?" is because the character doesn't seem to feature anyone from the events of the Namek saga onward.