Lineage tracing of EGFP expressing migrating pectoral girdle myogenic precursors in the chicken embryos via electroporation using TOL-2-GFP plasmid system. Vibratome sections stained with anti-GFP antibody Cat.-No. TP401 show the labeled muscle fiber soft hepectoral girdle in chicken embryos at stage HH27. Data was kindly provided by: Nargis Khalida, Rizwan Rehimi: Institute of Anatomy, Dept. of Molecular Embryology, Ruhr University Bochum, Germany