Ancestral Genetics (IMAGE) Rensselaer Polytechnic Institute Caption Plot of genetic markers for 255 individuals from four continental regions. Red and green represents identical genotypes. Black represents genotypic variations. Notice the distinct patterns formed in the four continental blocks, highlighting the genetic similarities between people of the same ancestry. Credit Peristera Paschou Usage Restrictions Please credit this image. 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.