Volume 128, Issue 4, (February 2007) In This Issue Cell Volume 128, Issue 4, (February 2007) DOI: 10.1016/j.cell.2007.02.014 Copyright © 2007 Terms and Conditions
Artistic representation of different forms of chromatin Artistic representation of different forms of chromatin. Image courtesy of Daniel Kohn, Kohnworkshop and Bang Wong, Broad Institute. Cell 2007 128, DOI: (10.1016/j.cell.2007.02.014) Copyright © 2007 Terms and Conditions
Calico cats are always female Calico cats are always female. The orange and black fur color pattern is determined by the random inactivation of one of the X chromosomes. Photo courtesy of Robert Kruger. Cell 2007 128, DOI: (10.1016/j.cell.2007.02.014) Copyright © 2007 Terms and Conditions