In human genetics, Haplogroup P (M45) is a Y-chromosome DNA haplogroup.

This haplogroup contains the patrilineal ancestors of most Europeans and almost all of the indigenous peoples of the Americas. It also contains approximately one third to two thirds of the males among various populations of Central Asia and Southern Asia.

Haplogroup P is a branch of Haplogroup K (M9). It is believed to have arisen north of the Hindu Kush, in Siberia, Kazakhstan, or Uzbekistan, approximately 35,000 to 40,000 years ago.

The descendant haplogroups of P include Q (M242) and R (M207).

Besides the typically European/South Asian Haplogroup R and South-Central Siberian/Native American Haplogroup Q, other patrilines derived from Haplogroup P-M45 are labeled for sake of convenience as Haplogroup P* and are reported to have been found at low to moderate frequency among modern populations of Central Asia, Siberia, East Asia, and the Russian Far East. There is a conspicuous presence of Haplogroup P* on the Isle of Hvar in the Adriatic Sea off the Dalmatian coast of Croatia, which may be due to historical immigration of Avars from Central Asia. There have also been reports of Haplogroup P* from samples of Ashkenazi Jews, Native Americans, and some populations of South Asia and Oceania, but it is not entirely clear whether these were truly Haplogroup P* or rather instances of a rare haplogroup derived from Haplogroup P, such as Haplogroup R2 or Haplogroup Q.


The subclades of Haplogroup P with their defining mutation, according to the 2006 ISOGG tree:


  1. ^ Supplementary Table 2: NRY haplogroup distribution in Han populations, from the online supplementary material for the article by Bo Wen et al., "Genetic evidence supports demic diffusion of Han culture," Nature 431, 302-305 (16 September 2004)
  2. ^ Table 1: Y-chromosome haplotype frequencies in 49 Eurasian populations, listed according to geographic region, from the article by R. Spencer Wells et al., "The Eurasian Heartland: A continental perspective on Y-chromosome diversity," Proceedings of the National Academy of Sciences of the United States of America (August 28, 2001)
  3. ^ "Y-Chromosome Evidence for Differing Ancient Demographic Histories in the Americas," Maria-Catira Bortolini et al., American Journal of Human Genetics 73:524-539, 2003

External links[]

Phylogenetic tree of human Y-chromosome DNA haplogroups [χ 1][χ 2]
"Y-chromosomal Adam"
A00 A0-T [χ 3]
A0 A1 [χ 4]
A1a A1b
A1b1 BT
F1  F2  F3  GHIJK
I   J     LT [χ 5]       K2 [χ 6]
L     T    K2a [χ 7]        K2b [χ 8]     K2c     K2d K2e [χ 9]  
K-M2313 [χ 10]     K2b1 [χ 11] P [χ 12]
NO   S [χ 13]  M [χ 14]    P1     P2
  • Y-DNA by population
  • Y-DNA haplogroups of historic people

This page uses content from the English language Wikipedia. The original content was at Haplogroup P (Y-DNA). The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.