We've linkurl:written in the past;http://www.the-scientist.com/article/display/24535/ about Randy Jirtle's agouti mice, which are a neat animal model for epigenetic ...

For instance, in normal, healthy mice, the agouti genes are kept in the "off" position by the epigenome, which attaches methyl groups to the corresponding regions of DNA, resulting in the DNA's ...

The mice are Agouti Viable Yellow, naturally occurring mutants, which, though genetically identical, have coats that vary in color—a phenomenon that researchers have long studied as an example of ...

represented by agouti hair). Despite this low contribution, the mouse has a strong anogenital pigment spot, the occurrence of which is controlled by testosterone in several rodent species 3.