Haplogroup H (mtDNA)

This article is about the human mtDNA haplogroup. For the human Y-DNA haplogroup, see Haplogroup H (Y-DNA).
Haplogroup H
Possible time of origin20,000–25,000 YBP
Possible place of originMiddle East
AncestorHV
DescendantsH* lineages; subclades H1, H2, H3, H4, H5'36, H6, H7, H8, H9, H10, H11, H12, H13, H14, H15, H16, H18, H19, H20, H22, H23, H24, H25, H26, H28, H29, H31, H32, H33, H34, H35, H37, H38, H39, 16129(H17+H27), 16129(H21+H30) (numbers to H144)
Defining mutationsG2706A, T7028C

Haplogroup H is a human mitochondrial DNA (mtDNA) haplogroup. The clade was believed to have originated in West Asia, near present-day Syria, around 20,000 to 25,000 years ago. However, a specimen has been found in South Italy from 28,000 years ago, in Paglicci Cave. Mitochondrial haplogroup H is today predominantly found in Europe, and is believed to have evolved before the Last Glacial Maximum (LGM). It first expanded in the northern Near East and Southern Caucasus, and later migrations from Iberia suggest that the clade reached Europe before the Last Glacial Maximum. The haplogroup has also spread from West Asia to parts of Africa, Siberia and Inner Asia. Today, around 40% of all maternal lineages in Europe belong to haplogroup H.

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