I am an international student of the program M. Sc. Molecular Life Sciences of the Humboldt University of Berlin, doing a research project at The Ringrose Lab. The project focuses on the role of Polycomb/Trithorax Response Elements (PRE/TREs) in the regulation of epigenetic memory in mouse embryonic stem cells (ESCs). To do this, we assess the expression of the reporter gene GFP under the influence of different PRE/TREs and track it over time to see if the expression patterns are kept from one cell generation to another. Ergo, if epigenetic memory is conferred.