{
  "url": "https://dantelabs.com/traits/microtia-first-degree",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "microtia-first-degree",
    "id": "HP:0011266",
    "name": "Microtia, first degree",
    "definition": "Presence of all the normal ear components and the median longitudinal length more than two standard deviations below the mean.",
    "synonyms": [
      "First-degree microtia"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-ear",
        "name": "Abnormality of the ear",
        "url": "https://dantelabs.com/traits/abnormality-of-the-ear"
      }
    ],
    "broader": [
      {
        "slug": "microtia",
        "name": "Small ears",
        "url": "https://dantelabs.com/traits/microtia"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "fgf3",
        "symbol": "FGF3",
        "hgnc": "HGNC:3681",
        "name": "fibroblast growth factor 3",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fgf3"
      },
      {
        "slug": "med12",
        "symbol": "MED12",
        "hgnc": "HGNC:11957",
        "name": "mediator complex subunit 12",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/med12"
      },
      {
        "slug": "twist2",
        "symbol": "TWIST2",
        "hgnc": "HGNC:20670",
        "name": "twist family bHLH transcription factor 2",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/twist2"
      },
      {
        "slug": "foxi3",
        "symbol": "FOXI3",
        "hgnc": "HGNC:35123",
        "name": "forkhead box I3",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/foxi3"
      },
      {
        "slug": "tbx15",
        "symbol": "TBX15",
        "hgnc": "HGNC:11594",
        "name": "T-box transcription factor 15",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tbx15"
      }
    ]
  }
}