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The Largest Ever Human 'Family Tree', with 231 Million Ancestral Lineages
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In June 2000, two rival groups of researchers shook hands in the shared success of a milestone in biology – the delivery of a rough draft of the human genome.
What started with an incomplete map of our chromosomes has since bloomed into a vast trove of individualized sequences from all corners of the globe, and in many cases stretching far back in time.
Somewhere in that ocean of decoded DNA is a story of our shared humanity.
Unfortunately, reading it is easier said than done. Not only is the sheer mass of data a problem, subtle differences in samples, diverse formats, and analysis techniques prioritizing different kinds of errors all present obstacles to a unified interpretation.
Now researchers from the Big Data Institute (BDI) at the University of Oxford in the UK have made a significant start, by merging a forest of more than 3,600 individual sequences from 215 populations into a single, enormous tree.
The tree's branches comprise of a mind-blowing 231 million ancestral lineages. At its base is a spread of roots represented by eight ancient, highly detailed human genome sequences, with thousands of smaller snippets used to confirm their place deep in our past.
What started with an incomplete map of our chromosomes has since bloomed into a vast trove of individualized sequences from all corners of the globe, and in many cases stretching far back in time.
Somewhere in that ocean of decoded DNA is a story of our shared humanity.
Unfortunately, reading it is easier said than done. Not only is the sheer mass of data a problem, subtle differences in samples, diverse formats, and analysis techniques prioritizing different kinds of errors all present obstacles to a unified interpretation.
Now researchers from the Big Data Institute (BDI) at the University of Oxford in the UK have made a significant start, by merging a forest of more than 3,600 individual sequences from 215 populations into a single, enormous tree.
The tree's branches comprise of a mind-blowing 231 million ancestral lineages. At its base is a spread of roots represented by eight ancient, highly detailed human genome sequences, with thousands of smaller snippets used to confirm their place deep in our past.
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