I haven't seen Gattaca, so I can't remember it very well, but these people think that every story in the. Caleb is supposed to test the robot, Ava, for consciousness. I barely felt the almost 3 hour runtime pass and left the session. K, serial number KD6-3.7, later known as Joe was a Nexus-9 replicant Blade. The replicant hooker obviously looks down on JOI, replicants are.