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Modelling the recent common ancestry of all living humans

Summary by Nature
If a common ancestor of all living humans is defined as an individual who is a genealogical ancestor of all present-day people, the most recent common ancestor (MRCA) for a randomly mating population would have lived in the very recent past1,2,3. However, the random mating model ignores essential aspects of population substructure, such as the tendency of individuals to choose mates from the same social group, and the relative isolation of geogr…

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Modelling the recent common ancestry of all living humans

If a common ancestor of all living humans is defined as an individual who is a genealogical ancestor of all present-day people, the most recent common ancestor (MRCA) for a randomly mating population would have lived in the very recent past1,2,3. However, the random mating model ignores essential aspects of population substructure, such as the tendency of individuals to choose mates from the same social group, and the relative isolation of geogr…

·United Kingdom
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Greek ReporterGreek Reporter
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New Algorithm Maps Human Genetic Diversity Across Geography and Time

A breakthrough algorithm helps scientists track human DNA changes across regions. Credit: vediphile / CC BY-SA 4.0 Researchers have developed an algorithm that maps shared ancestry across geography and time in a move that could reshape how scientists study human genetic diversity. The method may help uncover how DNA differences evolved and improve the accuracy of genetic studies. A team of researchers introduced the algorithm called GAIA in the …

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Inside Precision MedicineInside Precision Medicine

Algorithm Geographically Maps Human Genetic Diversity

A new algorithm developed by researchers can reconstruct how human genetic variation has arisen by tracing a pathway back through geographical space and time, which could help improve the accuracy of genome-wide association studies. The Geographic Ancestor Inference Algorithm—or GAIA—described in an article published in Science could prove useful for providing alternative ways to account for shared ancestry in genetic studies and also offer info…

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Inside Precision Medicine broke the news in on Friday, March 28, 2025.
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