The Nigerians of Oman: The Benin Sickle Cell Gene Haplotype 19 in Arabia

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On the basis of a sample of 117 chromosomes, we have demonstrated the multicentric origin of the sickle mutation in Northern Oman.

Three major haplotypes coexist: 52.1% Benin (typical and atypicals), 26.7% Arab-India, and 21.4% Bantu. These haplotypes are not autochthonous to Oman but originated elsewhere and arrived in Oman by gene flow.

The distribution of haplotypes is in excellent agreement with the historical record, which establishes clear ancient contacts between Oman and sub-Sahara west Africa and explains the presence of the Benin haplotype. (The Benin haplotype from comes Nigeria, West Africa).

Contacts with Iraq, Iran, present-day Pakistan, and India explain the presence of the Arab-India haplotype.

More recent contacts with East Africa (Zanzibar/Mombasa) explain the presence of the Bantu haplotype.

The pattern of the Arab-India haplotype in the populations of the Arabian peninsula reinforces the hypothesis that this particular mutation originated in the Harappa culture or in a nearby population and in addition reveals that the Sassanian Empire might have been the vehicle by which this Indo-European sickle mutation migrated (gene flow) to the present-day Arabian peninsula, including Oman. ..

More @ http://www.ncbi.nlm.nih.gov/pubmed/10815786

Furthermore, Omanis are about 7-8% E1b1a a signature African Y-DNA haplogroup .


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