No, you cannot migrate Pokémon from Pokémon Yellow over to SoulSilver.
you don't migrate from soul silver to ruby, you migrate from ruby to silver.
migrate it =)
same as diamond and pearl,
YES
you can't.
sorry but it is an event only Pokemon or you have to migrate it from another game
pokemon diamond pokemon pearl pokemon platnium pokemon heartgold pokemon soul silver
yes you can
no were you need to trade it from another game or migrate it
You can't you have to migrate or trade.
No, but you can trade them, but not migrate through Pal Park. SS and Pearl are compatible with each other.
you need to migrate it from Pokemon diamond/pearl/platinum. it is unobtainable in soul silver/heart gold trade, not migrate