Haplogroup Q-M25, also known as Q1a1b is a subclade or branch of human

Y-DNA The Y chromosome is one of two sex chromosomes (allosomes) in therian mammals, including humans, and many other animals. The other is the X chromosome. Y is normally the sex-determining chromosome in many species, since it is the presence or abse ...

haplogroup A haplotype is a group of alleles in an organism that are inherited together from a single parent, and a haplogroup (haploid from the el, ἁπλοῦς, ''haploûs'', "onefold, simple" and en, group) is a group of similar haplotypes that share ...

Q-F1096 (Q1a1), which is, in turn, a subclade of Q-MEH2 ( Q1a). In human genetics, each Y-DNA haplogroup constitutes a biological paternal lineages back to a shared common male ancestor.

Distribution

Q-M25 has descendants in modern populations across all of Eurasia. Only one detailed study on the Y-DNA on Turkmens from

Turkmenistan Turkmenistan ( or ; tk, Türkmenistan / Түркменистан, ) is a country located in Central Asia, bordered by Kazakhstan to the northwest, Uzbekistan to the north, east and northeast, Afghanistan to the southeast, Iran to the sout ...

has taken place. Haplogroup Q is found in minority Turkmen tribes living in Afghanistan at percentages of about 32%,J D Cristofaro et al., 2013, "Afghan Hindu Kush: Where Eurasian Sub-Continent Gene Flows Converge", http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0076748 and another study found that 42.6% of Iranian Turkmens have haplogroup Q-M25 (also known as Q1a1b).

The Americas

Q-M25 has not been detected in pre-Columbian populations in the Americas.

Asia

Q-M25 has been detected in the Northeast of

East Asia East Asia is the eastern region of Asia, which is defined in both geographical and ethno-cultural terms. The modern states of East Asia include China, Japan, Mongolia, North Korea, South Korea, and Taiwan. China, North Korea, South Korea and ...

, in

South Asia South Asia is the southern subregion of Asia, which is defined in both geographical and ethno-cultural terms. The region consists of the countries of Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, and Sri Lanka.;;;;;;;; ...

, and across

Central Asia Central Asia, also known as Middle Asia, is a subregion, region of Asia that stretches from the Caspian Sea in the west to western China and Mongolia in the east, and from Afghanistan and Iran in the south to Russia in the north. It includes t ...

. Though present at low frequencies, it may be one of the more widely distributed branches of Q-M242 in Asia.

West Asia

The frequency of Q-M25 varies greatly across

West Asia Western Asia, West Asia, or Southwest Asia, is the westernmost subregion of the larger geographical region of Asia, as defined by some academics, UN bodies and other institutions. It is almost entirely a part of the Middle East, and includes Ana ...

. An extreme peak is seen in the Turkmen of Golestan. Across the whole of Iran it varies from over 9 percent of the population in the north to only 2 to 3 percent of the population in the south. The frequency of Q-M25 drops to only about 1 percent of the population of

Lebanon Lebanon ( , ar, لُبْنَان, translit=lubnān, ), officially the Republic of Lebanon () or the Lebanese Republic, is a country in Western Asia. It is located between Syria to the north and east and Israel to the south, while Cyprus li ...

's Muslims, and it is absent from the non-Muslim population there. However, its presence in the Marsh Arabs(related to

Sumer Sumer () is the earliest known civilization in the historical region of southern Mesopotamia (south-central Iraq), emerging during the Chalcolithic and early Bronze Ages between the sixth and fifth millennium BC. It is one of the cradles of c ...

) of Iraq hints that Q-M25's West Asian history extends beyond a single localized recent founder.

Europe

Q-M25 is present across modern

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...

and in

Eastern Europe Eastern Europe is a subregion of the Europe, European continent. As a largely ambiguous term, it has a wide range of geopolitical, geographical, ethnic, cultural, and socio-economic connotations. The vast majority of the region is covered by Russ ...

Associated SNP's

Haplogroup Q-M25 is defined by the presence of the M25 Single Nucleotide Polymorphism (SNP) as well as the M143, L714, and L716 SNPs.

Phylogenetic Tree

This is Thomas Krahn at the Genomic Research Center's Draft tre
Proposed Tree
for haplogroup Q-M25. * Q-M25 M25, M143, L714, L716 ** Q-L712 L712 *** Q-L713 L697.2, L713, L715, M365.3

References

External links

The Y-DNA Haplogroup Q Project
{{DEFAULTSORT:Haplogroup Q-M25 (Y-Dna) Q-M25