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 three offspring weighed 1.22, 1.31 and 1.35 g, respectively, at the time of birth; these weights are within the range for normal ... adult male with the same agouti coat colour as the B6C3F1 ...