How do you duplicate Pokémon on Pokémon LeafGreen?

i don't think you can:/

It is possible to duplicate any Pokémon you wish (such as Mewtwo) in Pokémon Leafgreen. You can do this by using an Action Replay device. ...

You cannot copy a master ball in leafgreen

Sadly, you can't. Only in Pokemon Emerald.

yeah but it will kill your game!

you can't get the black flute in leaf green but you can in Pokemon ruby, sapphire and emerald then trade it to leaf green. ...

You cant do it in leaf green, only in Emerald....

There are two patterns in Pokemon FireRed and LeafGreen. If the pattern is colored, it means the Pokemon may be found there. If white, however, there is no way of finding a Pokmon. ...

yes, with the action replay go to www.cheathappens.com for the codes

Using the action replay, if you don't have one, go to www.eBay.com

first catch a ditto. then go to island 4 where you can breed pokemon. put the ditto in with a pokemon. the lady will tell you they dont like each other but they will breed a duplicate pokemon. ...

Answer: No you can't, you can only breed Pokemon that are able to be bred. ...

No, it is nearly impossible. If you really want to, get a gameshark; as the old cheat with PC boxes can not be done here. Sorry :( ...

Don't need to because you can get more from leafgreen or Pokemon colosseum and Pokemon xd gale of darkness. ...

with a gameshark or action replay

yes there is. just fly there if you can

it is ho hoa the lengendary bird

well you have to have mewtow and change one to zacrom and then get a pekachu and get 6 enrgy cards and then get one more mew tow and leave it how it is and get i traner and that would be how to do it ...

they are at the top of mirage tower in the desert

POKEMON PLATINUM stupid!

i dont no get a better game like pokemon ranger pokemon diamon pearl or platinum or black white soul silver heart gold or gardian signs ...

You get it at the olivine city pokmon gym

it is in iron mountain it is in iron mountain

The seven islands are only available in FireRed and LeafGreen. They are known as the Sevii Islands, but are only available in the remakes of Pokemon Red and Green (Blue in North America). In Pokmon SoulSilver, there are no islands to travel to. However, there are two regions to travel between. ...

The chromosomes duplicate