Where did cell come from Dragon Ball Z?

Answer 1

In the Dragon Ball Z series, Cell is an artificial life form created by Dr. Gero, a scientist from the Red Ribbon Army. Cell is a bio-engineered android composed of the cells of the greatest fighters in the universe, including Goku, Vegeta, Piccolo, and Frieza. Dr. Gero's ultimate goal was to create the perfect warrior, capable of defeating all of Earth's strongest fighters. Cell evolves through several forms before reaching his perfect form, which is his most powerful state.

Answer 2

he was created in a lab by Dr.Gero. to be the 'ultimate android' but was actualy biological and made up of the cells from the strongest Z warriors and can thus have their special traits (piccolos regeneration and frieza's ability to survive anywhere) and powers (Destructo Disk and Spirit Bomb).