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        "url": "https://dantelabs.com/sv/conditions/marfan-like-syndromes"
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        "systems": [
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        "url": "https://dantelabs.com/traits/atrial-septal-defect"
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      {
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        "name": "Aortic valve has two leaflets rather than three",
        "systems": [
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        "url": "https://dantelabs.com/traits/bicuspid-aortic-valve"
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      {
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        "name": "Arthrogryposis multiplex congenita",
        "systems": [
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        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/arthrogryposis-multiplex-congenita"
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      {
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        "name": "Bowing of the long bones",
        "systems": [
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        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/bowing-of-the-long-bones"
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      {
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        "url": "https://dantelabs.com/traits/brachycephaly"
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      {
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        "name": "Bulge in wall of large artery that carries blood away from heart",
        "systems": [
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        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/aortic-aneurysm"
      },
      {
        "slug": "aortic-root-aneurysm",
        "name": "Bulge in wall of root of large artery that carries blood away from heart",
        "systems": [
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        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/aortic-root-aneurysm"
      },
      {
        "slug": "camptodactyly-of-toe",
        "name": "Camptodactyly of toe",
        "systems": [
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          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/camptodactyly-of-toe"
      },
      {
        "slug": "choroidal-neovascularization",
        "name": "Choroidal neovascularization",
        "systems": [
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        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/choroidal-neovascularization"
      },
      {
        "slug": "myopia",
        "name": "Close sighted",
        "systems": [
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        ],
        "url": "https://dantelabs.com/traits/myopia"
      },
      {
        "slug": "talipes-equinovarus",
        "name": "Club feet",
        "systems": [
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        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/talipes-equinovarus"
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      {
        "slug": "congenital-contracture",
        "name": "Congenital contracture",
        "systems": [
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        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/congenital-contracture"
      },
      {
        "slug": "congenital-finger-flexion-contractures",
        "name": "Congenital finger flexion contractures",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/congenital-finger-flexion-contractures"
      },
      {
        "slug": "congenital-kyphoscoliosis",
        "name": "Congenital kyphoscoliosis",
        "systems": [
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        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/congenital-kyphoscoliosis"
      },
      {
        "slug": "crumpled-ear",
        "name": "Crumpled ear",
        "systems": [
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        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/crumpled-ear"
      },
      {
        "slug": "reduced-visual-acuity",
        "name": "Decreased clarity of vision",
        "systems": [
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        ],
        "url": "https://dantelabs.com/traits/reduced-visual-acuity"
      },
      {
        "slug": "patellar-dislocation",
        "name": "Dislocated kneecap",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/patellar-dislocation"
      },
      {
        "slug": "disproportionate-tall-stature",
        "name": "Disproportionate tall stature",
        "systems": [
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        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/disproportionate-tall-stature"
      },
      {
        "slug": "distal-arthrogryposis",
        "name": "Distal arthrogryposis",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/distal-arthrogryposis"
      },
      {
        "slug": "ectopia-lentis",
        "name": "Ectopia lentis",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/ectopia-lentis"
      },
      {
        "slug": "elbow-contracture",
        "name": "Elbow contracture",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/elbow-contracture"
      },
      {
        "slug": "elbow-dislocation",
        "name": "Elbow dislocation",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/elbow-dislocation"
      },
      {
        "slug": "elbow-flexion-contracture",
        "name": "Elbow flexion contracture",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/elbow-flexion-contracture"
      },
      {
        "slug": "ulnar-deviation-of-finger",
        "name": "Finger bends toward pinky",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/ulnar-deviation-of-finger"
      },
      {
        "slug": "flexion-contracture",
        "name": "Flexed joint that cannot be straightened",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/flexion-contracture"
      },
      {
        "slug": "metatarsus-adductus",
        "name": "Front half of foot turns inward",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/metatarsus-adductus"
      },
      {
        "slug": "frontal-bossing",
        "name": "Frontal bossing",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/frontal-bossing"
      },
      {
        "slug": "pectus-excavatum",
        "name": "Funnel chest",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/pectus-excavatum"
      },
      {
        "slug": "high-palate",
        "name": "High palate",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/high-palate"
      },
      {
        "slug": "hip-contracture",
        "name": "Hip contracture",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/hip-contracture"
      },
      {
        "slug": "ventricular-septal-defect",
        "name": "Hole in heart wall separating two lower heart chambers",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "url": "https://dantelabs.com/traits/ventricular-septal-defect"
      },
      {
        "slug": "knee-flexion-contracture",
        "name": "Inability to straighten knee",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/knee-flexion-contracture"
      },
      {
        "slug": "increased-upper-to-lower-segment-ratio",
        "name": "Increased upper to lower segment ratio",
        "systems": [
          "growth-abnormality"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/increased-upper-to-lower-segment-ratio"
      },
      {
        "slug": "intestinal-malrotation",
        "name": "Intestinal malrotation",
        "systems": [
          "abnormality-of-the-digestive-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/intestinal-malrotation"
      },
      {
        "slug": "adducted-thumb",
        "name": "Inward turned thumb",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/adducted-thumb"
      },
      {
        "slug": "joint-stiffness",
        "name": "Joint stiffness",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/joint-stiffness"
      },
      {
        "slug": "knee-contracture",
        "name": "Knee contracture",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/knee-contracture"
      },
      {
        "slug": "kyphoscoliosis",
        "name": "Kyphoscoliosis",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/kyphoscoliosis"
      },
      {
        "slug": "limited-elbow-extension",
        "name": "Limited elbow extension",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/limited-elbow-extension"
      },
      {
        "slug": "limited-knee-extension",
        "name": "Limited knee straightening",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/limited-knee-extension"
      },
      {
        "slug": "micrognathia",
        "name": "Little lower jaw",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/micrognathia"
      },
      {
        "slug": "arachnodactyly",
        "name": "Long slender fingers",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/arachnodactyly"
      },
      {
        "slug": "dolichocephaly",
        "name": "Long, narrow head",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/dolichocephaly"
      },
      {
        "slug": "macular-degeneration",
        "name": "Macular degeneration",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/macular-degeneration"
      },
      {
        "slug": "mitral-regurgitation",
        "name": "Mitral regurgitation",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "url": "https://dantelabs.com/traits/mitral-regurgitation"
      },
      {
        "slug": "mitral-valve-prolapse",
        "name": "Mitral valve prolapse",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/mitral-valve-prolapse"
      },
      {
        "slug": "motor-delay",
        "name": "Motor delay",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/motor-delay"
      },
      {
        "slug": "abnormality-of-the-musculature",
        "name": "Muscular abnormality",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/abnormality-of-the-musculature"
      },
      {
        "slug": "osteopenia",
        "name": "Osteopenia",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/osteopenia"
      },
      {
        "slug": "patellar-subluxation",
        "name": "Partial knee cap dislocation",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/patellar-subluxation"
      },
      {
        "slug": "patent-ductus-arteriosus",
        "name": "Patent ductus arteriosus",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "url": "https://dantelabs.com/traits/patent-ductus-arteriosus"
      },
      {
        "slug": "camptodactyly-of-finger",
        "name": "Permanent flexion of the finger",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/camptodactyly-of-finger"
      },
      {
        "slug": "camptodactyly",
        "name": "Permanent flexion of the finger or toe",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/camptodactyly"
      },
      {
        "slug": "pectus-carinatum",
        "name": "Pigeon chest",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/pectus-carinatum"
      },
      {
        "slug": "scaphocephaly",
        "name": "Scaphocephaly",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/scaphocephaly"
      },
      {
        "slug": "scoliosis",
        "name": "Scoliosis",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/scoliosis"
      },
      {
        "slug": "short-neck",
        "name": "Short neck",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/short-neck"
      },
      {
        "slug": "slender-build",
        "name": "Slender build",
        "systems": [
          "growth-abnormality"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/slender-build"
      },
      {
        "slug": "calf-muscle-hypoplasia",
        "name": "Underdeveloped calf muscles",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/calf-muscle-hypoplasia"
      },
      {
        "slug": "wrist-flexion-contracture",
        "name": "Wrist flexion contracture",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/wrist-flexion-contracture"
      }
    ],
    "related": [],
    "sources": {
      "bundleId": "2026.10.17-8666dff2",
      "panel": "2026-10-17",
      "acmgSf": "SF v3.2"
    },
    "locusKind": "proteinCoding"
  },
  "variants": {
    "total": 0,
    "url": null,
    "items": []
  }
}