(C) Azelle Hawdon (IMAGE) Monash University Caption Living mouse embryo transitioning from 16- to 32-cell stage, showing the unequal inheritance of RNA (pink) and endoplasmic reticulum (cyan) to inner and outer daughter cells respectively. Credit (C) Azelle Hawdon Usage Restrictions n/a License Original 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.