Tibetan Gene Came from Denisovan (IMAGE) University of California - Berkeley Caption A Chinese researcher collects a blood sample from an ethnic Tibetan man participating in the DNA study. Credit Beijing Genomics Institute (BGI-Shenzhen) photo Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.