Haplogroup J (mtDNA)

This article is about the human mtDNA haplogroup. For the human Y-DNA haplogroup, see Haplogroup J (Y-DNA).
Haplogroup J
Possible time of origin45,000 years before present
Possible place of originWestern Asia, Near East, the Caucasus
AncestorJT
DescendantsJ1, J2
Defining mutations295 489 10398 12612 13708 16069[1]

Haplogroup J is a human mitochondrial DNA (mtDNA) haplogroup. The clade derives from the haplogroup JT, which also gave rise to haplogroup T. Within the field of medical genetics, certain polymorphisms specific to haplogroup J have been associated with Leber's hereditary optic neuropathy.[2]

  1. ^ van Oven, Mannis; Manfred Kayser (13 Oct 2008). "Updated comprehensive phylogenetic tree of global human mitochondrial DNA variation". Human Mutation. 30 (2): E386–94. doi:10.1002/humu.20921. PMID 18853457. S2CID 27566749.
  2. ^ Piia Serk, Human Mitochondrial DNA Haplogroup J in Europe and Near East, Thesis, Tartu 2004 Archived 2008-09-08 at the Wayback Machine