Genetics of The Maghreb Population
See also: Maghreb_people#Anthropology.2C_Genetics_and_LinguisticsThe Y-chromosome genetic structure of the Maghreb population seems to be mainly modulated by geography, The Y-DNA Haplogroups E3b and J, which are so common among the population of North African and the Middle East, Haplogroups E3b and J, are the most widespread among North African groups especially E1b1b1b (E-M81, formerly E3b1b) which is typical of the indigenous Berbers of North-West Africa. In some parts of Morocco E1b1b1b can peak at 80% of the population. Followed by Haplogroup J especially J1, which is typically Middle Eastern it can reach a frequencies of 35% in the region, and its highest density is founded in the Arabian Peninsula, Followed by Haplogroup R1 which has been observed in North African though with lower frequency. The Y-DNA Haplogroups shown above are observed in both Arab and Berber-speakers.
The Northwest-African Y chromosome pool (including both Arab and Berber populations) may be summarized as follows where only two haplogroups E1b1b and J comprise generally more than 80% of the total chromosomes:
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