Answered Questions from Stargate Atlantis Season 1

From Semantic Stargate Wiki

This is a list of answers to questions posed as a result of content from individual episodes from Season 1 of Stargate Atlantis. These questions are taken directly from the episode guides.

"Rising", Part 2

Answer: When John Sheppard found a necklace inside the Athos cave and gived it back to Teyla Emmagan who lost it years ago, he unwittingly activated a beacon device located in the necklace using his ATA gene (SGA: "Rising", Part 1, "Suspicion").