madagascar y dna

But Tofanelli and his colleagues wanted to dig even deeper into the genetic history of the Malagasy. They focused on two regions of the human genome often used in genetic ancestry studies: the mitochondrial DNA (mtDNA) and the Y chromosome. The analysis also suggested that the mixing between the two groups occurred approximately 500 to 900 years ago—though they note that further subsequent clustering of Asian/African ancestry also occurred. Trying to find the answers to these questions has vexed archaeologists, historians and linguists for generations. American Journal of Human Genetics 70 (1197–1214): 2002. doi:10.1086/340257.

doi:10.1371/journal.pone.0041252.

They focused on two regions of the human genome often used in genetic ancestry studies:   the mitochondrial DNA (mtDNA) and the Y chromosome. In fact, Tofanelli describes the genetic make-up of the Malagasy as a consequence of “the encounter of people surfing the extreme edges of two of the broadest historical waves of expansion” in human history. We do not guarantee individual replies due to extremely high volume of correspondence. googletag.cmd.push(function() { googletag.display('div-gpt-ad-1449240174198-2'); }); Madagascar is, of course, a large island situated off the coast of Mozambique—it has become widely known for its unique plants and animals. Cruciani, Fulvio; Santolamazza, Piero; Shen, Peidong et al. Cornelia; Gaetano, Di; Cerutti, Nicoletta; Crobu, Francesca et al. Tofanelli and his research team examined the mtDNA and Y chromosomes of Malagasy individuals scattered across the island, from both the Highlander and Côtiers groups. Their most recent effort appears this week in Molecular Biology and Evolution.

These results fit well with Hurles’ study and with what linguists have been saying for years; that the Malagasy language – while clearly tracing back to Borneo – also has some African elements that are significant. Only 250 miles separates the island of Madagascar from the southeast coast of Africa. Your opinions are important to us. The information you enter will appear in your e-mail message and is not retained by Phys.org in any form. If the Southeast Asians and eastern Africans shared farming techniques, it stands to reason that they may have shared genes as well.

Y chromosome and mitochondrial DNA classification Based on analysis of 96 Y chromosome binary markers (Additional file 1: Table S1), the majority of men in the Ma’anyan, Lebbo’ and Bajo carry haplogroups previously found in Southeast Asia, particularly C*, K*, and O* (Table 1). Ashot Margaryan et al, "Paternal Lineage Analysis Supports an Armenian Rather Than a Central Asian Genetic Origin of the Hamshenis," " Human Biology 84(4) 405-422.
Mitochondrial DNA and the Y chromosome suggest the settlement of Madagascar by Indonesian sea nomad populations.

Click here to sign in with Yet upon closer examination of the Malagasy’s language and their physical features, many scholars began to question this notion. This study, led by Sergio Tofanelli of the University of Pisa, built upon a 2005 study by Matt Hurles and colleagues that was the first genetic exploration of the Malagasy people.

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