DNAi location:Applications>Human Origins>gene genealogy>Tracing ancestries>Tracing our maternal lineage An interactive illustration of the mitochondrial DNA (mtDNA) human family tree, showing the two major mtDNA lineages (African populations and African/non-African populations). In 1987, a Californian research team used mitochondrial DNA (mtDNA) to construct a human family tree. Their tree had two distinct branches: one contained only African mtDNA types; and the second was a mixture of all population types. The branch with African mtDNA types was closest to the tree root. Using this data, the team traced the lineage of modern humans back to a common ancestor who lived in Africa about 200,000 years ago.


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      douglas wallace,NSDL,mitochondria dna,lineages,rebecca cann,mark stoneking,biological elements,maternal lineage,african members,Social Sciences,allan wilson,mitochondrial dna,pedigree relationships,Life Science,tree root,human origins,distinct branches,NSDL_SetSpec_BEN,ancestry,common ancestor,History/Policy/Law,Chemistry,interactive illustration,oai:nsdl.org:2200/20081106034139385T,african populations,location applications,californian



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