Liang Dong, Iowa State University (image) Iowa State University Caption Iowa State's Liang Dong examines a microfluidic seed chip, an essential part of the instrument he's developing to study the effects of genes and environmental conditions on plant phenotypes -- the look, size, color and development of plants. Credit Photo by Bob Elbert/Iowa State University. Usage Restrictions None 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.