Chimera Mouse Generated from iPS Cells (image) RIKEN Caption This is a Chimera mouse (grey) generated with iPS cells induced using the histone variants TH2A and TH2B and 2 Yamanaka factors. Its offspring show the agouti coat color, indicating that all tissues are derived from the iPS cells described above. Credit RIKEN Usage Restrictions UNDER EMBARGO UNTIL: 12:00 noon EST/ 17:00 GMT on February 6, 2014/ 2:00am JST on February 7, 2014 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.