A groundbreaking genomic study analyzing structural proteins extracted from 400,000-year-old Homo erectus teeth in China has fundamentally changed our understanding of ancient human lineages. The precise molecular mapping proves that these early humans were not an evolutionary dead end but regularly interbred with Denisovans. This ancient genetic thread successfully crossed the vast barriers of time, leaving a lasting mosaic impact on the DNA of living populations throughout Southeast Asia and Oceania today.
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