system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Leber hereditary optic neuropathy ELHUNI is caused by mutation in
assistant
The correct answer is  Answer- A. Mitochondrial DNAMitochondrial DNA is the only non-chromosomal DNA in human cells. Mitochondrial DNA is always maternally inherited.Thus diseases caused by mutation in mitochondrial DNA are always inherited from mother to next generation.All children from affected mother will inherit the disease but it will not be tranmtitted from an affected father to his children