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you need the wifi evet item to get deoxy
Deoxy IS IN ISLAND 9
AFTER YOU BEAT THE ELITE FOUR
deoxy,s is in the meteor cave on floor 30
No Deoxy is not in the grass but you can use a cheat with action replay or transfer him
from Pokemon firered or leafgreen.
the chromosme has deoxy nucleic acid............so dumb don't know this.............