Haplogroup N (mtDNA) place of birth Eurasia
Haplogroup N is found in all parts of the world but has low frequencies in Sub-Saharan Africa. According to a number of studies, the presence of Haplogroup N in Africa is most likely the result of back migration from Eurasia.
The oldest clades of macrohaplogroup N are found in Asia and Australia.
It would be paradoxical that haplogroup N had traveled all the distance to Australia or New World yet failed to affect other populations within Africa besides North Africans and Horn Africans.
The mitochondrial DNA variation in isolated "relict" populations in southeast Asia supports the view that there was only a single dispersal from Africa. The distribution of the earliest branches within haplogroups M, N, and R across Eurasia and Oceania provides additional evidence for a three-founder-mtDNA scenario and a single migration route out of Africa. These findings also highlight the importance of Indian subcontinent in the early genetic history of human settlement and expansion. Therefore, N's history is similar to M and R which have their most probable origin in South Asia.A study (Vai et al. 2019), finds a basal branch of maternal haplogroup N in early Neolithic North African remains from the Libyan site of Takarkori. The authors propose that N most likely split from L3 in the Arabian peninsula and later migrated back to North Africa, with its sister haplogroup M also likely splitting from L3 in the Middle East, but also suggest that N may have possibly diverged in North Africa, and state that more information is necessary to be certain.
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