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Tuesday, March 23, 2021

New study shows some Cordillerans are the only Filipino with no interbreeding with Negritos

Photo Courtesy || Ronald De Leon

Cordillera - A new study by team of researchers from the Uppsala University of Sweden and the National Commission for Culture and the Arts (NCCA) has revealed the complex origins, inter-relatedness, and genetic diversity of the Filipino people. 

After analyzing 2.3 million molecular DNA markers from more than 1,000 individuals, representing 115 Philippine cultural communities, it was revealed that the Philippines was inhabited by at least five major waves of human migrations, starting with Northern and Southern Negritos as the first Filipinos, then followed by Manobo, Sama, and Cordilleran-related populations.

The study showed that some  Cordillerans residing in the Northern part of the Philippines remained to be the only Filipino ethnic group that did not show any evidence of historical interbreeding with Negritos. 

They are the only ones in the world who remained to be the unadmixed descendant of Basal East Asians. 

Dr. Adrian Albano, a Kalanguya Cordilleran from Ifugao State University and a co-author of the study said, "This affirms that Cordillerans were isolated for quite some time, which is evident on the retention of distinct indigenous cultural practices and presence of immense linguistic diversity in the region."

READ ALSO: Early humans lived in Kalinga some 700,000 years ago.

Additional minor genetic signals were also detected in some Filipino ethnic groups, including Papuan, South Asian, and European genetic ancestry.

The Papuan-related ancestry is found among the coastal ethnic groups of southeastern Philippines. This likely reflects a westward migration or gene flow of Papuan-related ancestry from Papua New Guinea or the Bismarck’s archipelago into eastern Indonesia and subsequently into southeastern Philippines.

The South Asian or Indian-related genetic signal was detected among the Sama Dilaut and other coastal Sama ethnic groups of southwestern Philippines. 

source || PNA (PR)



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