{
  "url": "https://dantelabs.com/traits/heterotropia",
  "trait": {
    "bundleId": "2026.10.18-8b139e39",
    "release": "2026-09-01",
    "slug": "heterotropia",
    "id": "HP:0032012",
    "name": "Heterotropia",
    "definition": "Manifest deviation of the visual axes not controlled by fusion.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-eye",
        "name": "Abnormality of the eye",
        "url": "https://dantelabs.com/traits/abnormality-of-the-eye"
      }
    ],
    "broader": [
      {
        "slug": "strabismus",
        "name": "Cross-eyed",
        "url": "https://dantelabs.com/traits/strabismus"
      }
    ],
    "narrower": [
      {
        "slug": "esotropia",
        "name": "Inward turning cross eyed",
        "genes": 204,
        "url": "https://dantelabs.com/traits/esotropia"
      },
      {
        "slug": "exotropia",
        "name": "Outward facing eye ball",
        "genes": 126,
        "url": "https://dantelabs.com/traits/exotropia"
      },
      {
        "slug": "hypertropia",
        "name": "Hypertropia",
        "genes": 4,
        "url": "https://dantelabs.com/traits/hypertropia"
      },
      {
        "slug": "hypotropia",
        "name": "Hypotropia",
        "genes": 3,
        "url": "https://dantelabs.com/traits/hypotropia"
      }
    ],
    "genes": [
      {
        "slug": "abcc9",
        "symbol": "ABCC9",
        "hgnc": "HGNC:60",
        "name": "ATP binding cassette subfamily C member 9",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/abcc9"
      },
      {
        "slug": "chd8",
        "symbol": "CHD8",
        "hgnc": "HGNC:20153",
        "name": "chromodomain helicase DNA binding protein 8",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/chd8"
      }
    ]
  }
}