Fig.2 Genetic Variants (IMAGE) Osaka University Caption Genetic variants with selection pressure showed regional heterogeneity in allele frequency spectra, especially at the Okinawa region. Credit Osaka University 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.