Overview

• The study analyzed the complete genome of a Yayoi period individual from the Doigahama archaeological site in Japan.
• Findings indicate that the majority of immigrants to Japan during the Yayoi and Kofun periods came from the Korean Peninsula.
• The research challenges the three-way admixture model, suggesting a more direct Korean influence on Japanese genetic ancestry.
• Modern Japanese populations have over 80% of their genetic makeup from East and Northeast Asian ancestries.
• Future research aims to analyze more Yayoi genomes to understand the extent of admixture with indigenous Jomon people.