page_title: Haplogroup J (mtDNA)
section_title: Subclades
hierarchical_section_title: Haplogroup J (mtDNA) / Subclades
caption_attribution_description: English: Schematic tree of mtDNA haplogroup J. Ages (in ka, thousand years ago) indicated are maximum likelihood estimates obtained for the whole-mtDNA genome.
context_page_description: Haplogroup J is a human mitochondrial DNA (mtDNA) haplogroup. The clade derives from the haplogroup JT, which also gave rise to haplogroup T. In his book The Seven Daughters of Eve, Bryan Sykes named the originator of this mtDNA haplogroup Jasmine. Within the field of medical genetics, certain polymorphisms specific to haplogroup J have been associated with Leber's hereditary optic neuropathy.
caption: Schematic tree of mtDNA haplogroup J. Ages (in ka) indicated are maximum likelihood estimates obtained for the whole-mtDNA genome.
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