Rhesus Excluded Blastomeres, Fragments (IMAGE) Oregon Health & Science University Caption Researchers the Oregon National Primate Research Center at OHSU found that blastomeres (images 1-3) and their cellular fragments (image 4) can act as a trash bin within a mosaic embryo, and exclude genetic abnormalities. Credit OHSU/Shawn Chavez, Ph.D. Usage Restrictions With photo credit 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.