Patient education

Mitochondrial disease inheritance

Inheritance may be maternal, autosomal dominant, autosomal recessive, X-linked, or apparently new in the affected person.

The specific gene and variant determine the inheritance model

Mitochondrial DNA heteroplasmy can complicate risk estimates

Relatives with the same finding may have different features

Genetic counseling supports individualized family planning

Use this information safely

This guide cannot diagnose a condition, predict an individual course, or recommend treatment. Bring relevant questions to a qualified clinician and use emergency services for urgent concerns.

Sources

References and further reading

  1. MedlinePlus: Mitochondrial Diseases
  2. NINDS: Mitochondrial Disorders
  3. GeneReviews: Primary Mitochondrial Disorders Overview
  4. United Mitochondrial Disease Foundation

External sources are provided for context and do not imply endorsement of MDA.

Next steps

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Mitochondrial disease guide

Understand inheritance, symptoms, diagnosis, management, and research.

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All mitochondrial disease program

See the MDA program pathway and current planning status.

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