'Living fossil' may upend basic tenet of evolutionary theory

(University of California - San Francisco) A UC San Francisco-led research team has discovered the first conclusive evidence that selection may also occur at the level of the epigenome -- a term that refers to an assortment of chemical " annotations " to the genome that determine whether, when and to what extent genes are activated -- and has done so for tens of millions of years.
Source: EurekAlert! - Medicine and Health - Category: International Medicine & Public Health Source Type: news