Knowing that the use of artificial population control has ruined their civilization , scientist Jor-El and his wife Lara launch their newborn son Kal-El , the first naturally born Kryptonian child in centuries , on a spacecraft to Earth after infusing his cells with a genetic codex of the entire Kryptonian race .
Scientist Jor-El and his wife Lara-El secretly imprint a genetic codex into the cells of their newborn son Kal-El , and launch him on a spacecraft to Earth to preserve the Kryptonian race .