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New Genetic Study Redefines Origins On Japan's Ancestry

Anthropology.net

A groundbreaking genetic study conducted by researchers at the RIKEN Center for Integrative Medical Sciences has uncovered new evidence that challenges the longstanding belief in a dual-origin model of Japanese ancestry. This study shows that their genetic legacy persists, with their ancestry decreasing as one moves westward across Japan.

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The Evolutionary Odyssey of the Aurochs: An Ancient DNA Analysis

Anthropology.net

Despite their wide geographic distribution, genetic evidence shows that eastern and western Eurasian aurochs populations share recent common ancestry, likely stemming from a southern Asian migration around 100,000 years ago. Interestingly, remnants of earlier ancestry persisted in European populations, suggesting a blend of genetic lineages.

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Genetic Evidence Reveals Ancient Migration to Japan

Anthropology.net

The findings offer clarity on how Japan’s dual genetic ancestry emerged, enriching the current understanding of ancient East Asian migration. Principal investigator Jun Ohashi, "East Asian-related and Northeast Asian-related ancestries account for over 80% of nuclear genomes of the modern Japanese population.” Hayashi, M.,

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How Multiple Denisovan Populations Shaped Modern Human Genes

Anthropology.net

The analysis revealed that Denisovans diverged from Neanderthals around 400,000 years ago, although the two groups share a common ancestry. Ongaro’s team has identified areas for further research, including more extensive genetic studies of understudied populations that may carry yet-undiscovered traces of Denisovan ancestry.

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The mountains where Neanderthals forever changed human genetics

Strange Maps

Neanderthal DNA is estimated to account for an average of 1% to 4% of the genomes of modern humans with ancestry outside sub-Saharan Africa. Credit: Scientific Reports (2024). The share of Neanderthal DNA is highest among East Asians, intermediate among Europeans, and lowest in Southeast Asians.

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Navigating Complexities of "Race": Analyzing Genetic Diversity in the All of Us Study

Anthropology.net

An attempt to depict the relatedness of nearly 250,000 people in the All of Us study has drawn criticism.All of Us Research Program Genomics Investigators, Nature (2024), [link] The Complexity of Human Ancestry Data The controversy surrounding the depiction of genetic diversity underscores the challenges inherent in describing human ancestry data.

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Neanderthals and Humans Interbred for 7,000 Years, Study Suggests

Anthropology.net

By examining variations in Neanderthal ancestry across different times and locations, they estimated the timing and duration of interbreeding events. Neandertal ancestry through time: Insights from genomes of ancient and present-day humans. The research team focused on the amount of Neanderthal DNA present in these samples. 1 Iasi, L.