Q-L275 has descendants across Europe, Central Asia, and South Asia. Q-M378 is phylogeographically restricted to southwest Asia.
The Americas Q-L275 has not been identified in pre-Columbian groups in the Americas, but is sporadically found among modern Native Americans. Potential sources in indigenous populations are European
colonists and religious
missionaries. According to Batfaglia, et al, Q-M378 in Native American populations can be attributed to historical migrants from Southwest Asia in the modern historical period. The Isleños of Louisiana trace their origins to settlers from the Canary Islands and Iberian regions including Andalusia, Asturias, Castile, Galicia, and Portugal. Recruited by Governor Bernardo de Gálvez, they migrated to Spanish Louisiana between 1778 and 1783, establishing communities in St. Bernard Parish, Ascension Parish, Assumption Parish, and Plaquemines Parish to bolster colonial defense and development. Genetic studies of descendants reveal significant Iberian and Canary ancestry, with Y-DNA subclade Q-L245 (linked to Levantine (Hebrew) origins via Sephardic conversos) entering the Americas through these settlers in the late 1700s. This has subsequently been found to be entirely Q-L275's Q-M378 subclade and is further restricted to the Q-L245 branch.
Europe Subclade Distribution Q-L245 This branch was discovered by citizen scientists. It is a descendant branch of the Q-M378 lineage and is the most common branch in West Asian groups such as Iranians and Jewish populations. Findings indicate that Q-L245 is the closest indicator, both historically and phylogeographically, of ancient Hebrews, even when compared to more commonly studied haplogroups.
Q-L272.1 This branch was discovered by citizen scientists. It has only been identified in one Sicilian sample.
Q-L301 This branch was discovered by citizen scientists. They have identified it in two unrelated Iranian samples.
Q-L315 This branch was discovered by citizen scientists. It has only been identified in one Ashkenazi Jewish sample. Thus, it is presumed to have arisen after the Q-L245 branch to which it belongs became part of the pre-Diaspora Jewish population.
Q-L327 This branch was discovered by citizen scientists. It has only been identified in one Azorean sample.
Q-L619.2 This branch was discovered by citizen scientists. They have identified it in two unrelated Armenian samples.
Q-P306 This branch was discovered by the
University of Arizona research group headed by Dr. Michael Hammer in a Southeast Asian sample. It has been identified by citizen scientists in South Asians.
Q-M378 — It is widely distributed in Europe, South Asia, and West Asia. It is found among samples of
Hazaras and
Sindhis. It has been found in one individual in a small sample of eleven
Lachungpa in
Sikkim. It is also found in the
Uyghurs of North-Western
China in two separate groups. Some Western Jews belong to Q-M378 as well. Q-M378's subbranch Q-L245's subclades Q-Y2200 and Q-YP1035 are the only varieties of haplogroup Q that are found in
Ashkenazi Jews. Citizen scientists found that some
Sephardic Jews carry different subclades of Q-L245, including Q-BZ3900, Q-YP745, and Q-YP1237. == Associated SNPs ==