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New Genetic Study Reveals Complex Human Ancestry Origins

3/25/2025

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Summary

Story summary

Groundbreaking genetic research uncovers a fascinating twist in human evolution: our species emerged from two ancestral groups that diverged 1.5 million years ago before reuniting 300,000 years ago. One lineage contributed a staggering 80% of our DNA, shaping our brain function, while the other added 20%. This revelation reshapes our understanding of a more intricate human ancestry.

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Story summary

Groundbreaking genetic research uncovers a fascinating twist in human evolution: our species emerged from two ancestral groups that diverged 1.5 million years ago before reuniting 300,000 years ago. One lineage contributed a staggering 80% of our DNA, shaping our brain function, while the other added 20%. This revelation reshapes our understanding of a more intricate human ancestry.