Teosinte and Reconstructed Primitive Corn (IMAGE) Genetics Society of America Caption Teosinte and "reconstructed" primitive corn created by crossing teosinte with Argentine pop corn and then selecting the smallest offspring. This ear resembles the earliest archaeological corn recovered from the Tehuacán valley in Mexico. Credit John Doebley 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.