Injection of DNA (IMAGE) University of Vienna Caption Figure 2: Injection of DNA constructs driving expression of two Wnt proteins, Wnt1 and Wnt3 into a single cell of the 8-cell stage embryo results in the induction of an additional body axis. A construct coding for the fluorescent mOrange marker protein was co-injected with the Wnt constructs. Credit Copyright: Modified by Kraus et al., 2016, University of Vienna Usage Restrictions The image may only be used with appropriate caption or 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.