When it comes through, however, the agouti gene gives tabbies a beautiful ... depending on the mixture of orange, black, and white on the cat. Except when it comes to males and females, the ...

The species were incredibly diverse, as black agouti are a species of guinea pig ... making them appear to have all-white or white-spotted bodies, according to the study. Unusual coloration ...

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 ...