World War II and urbanization leave their mark on Finnish genetics (image) PLOS Share Print E-Mail Caption Ten reference groups used for decomposing genetic ancestry within Finland. Credit Kerminen S, et al. (2021) PLOS Genetics Usage Restrictions CC-BY 4.0, https://creativecommons.org/licenses/by/4.0/ Share Print E-Mail 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.