Southwestern Oklahoma State University View Institution's Website 1 article published in JoVE Biology Determining Genetic Expression Profiles in C. elegans Using Microarray and Real-time PCR Kassandra L. Guthmueller1, Maggie L. Yoder1, Andrea M. Holgado1 1Department of Biological Sciences, Southwestern Oklahoma State University Microarray analysis was conducted to determine genetic expression profiles in C. elegans, and real-time PCR was used to validate and quantify microarray data.