Cloning

Cloning is a process that creates a genetic duplicate of a being that is or was alive.

In the anime
Cloning has appeared a few times in the anime. Its most prominent appearance is in Mewtwo Strikes Back.

In The Uncut Story of Mewtwo's Origin, creates  as requested by  in exchange for funding his primary project, a (failed) attempt to clone his dead daughter, and three test clones of the Kanto starter Pokémon.

In Mewtwo Strikes Back, itself makes clones (Japanese: コピーポケモン Copy Pokémon) of various Pokémon belonging to the Trainers who have come to New Island. Mewtwo captures the target Pokémon in special s—even those currently in their Poké Balls can be caught by these—then sends these Balls through a special cloning machine. All of Mewtwo's clones appear to have been created fully-grown, unlike Fuji's clones. All cloned Pokémon—excluding Mewtwo—appear identical to a normal Pokémon of their species, though a few of the clones have multiple black horizontal marks on their bodies.

Mewtwo's clones reappeared in Mewtwo Returns.

Cloning also plays a role in Genesect and the Legend Awakened, in which was cloned from Mew's DNA by an unknown group.

Trivia



 * In an interview with @Gamer magazine, Junichi Masuda and Ken Sugimori revealed that there was originally going to be a Pokémon based on, the first cloned sheep, but was deemed "too controversial."
 * In the anime, cloned Pokémon appear to be fertile, even those that would normally not be. Baby and  (not ) are seen in Mewtwo Returns.