{"id":"S85076205","label":"Lethal mutation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85076205","normalized_label":"lethal mutation","broader":["http://id.loc.gov/authorities/subjects/sh85089128"],"aliases":["Gene, Lethal","Lethal gene"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85076205","provider":"lcsh","revision":"00f80a2e73f14c1b","taxonomy_revision":"f050b5d4780b1289","title":"Lethal mutation","url":"/topics/S85076205","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9549962175754404420","address_version":"morton4x16-v1","coordinates":[0,20,18595,46080],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}