They allow it, you just need to have the pokemon P/D on the DS slot and the GBA game from where you want to take your pokemons on the GBA slot and the game transfers.
You are capped at 6 pokemon per day and you'll have to catch them again in the DS game.
Also, the transfer is permanent.
Anyone know where the fifth gym is?
A more accurate question would be "How to get to the 5th badge".where can i get the 5th badge! ??? anyone ?