... that eight major interchromosomal rearrangements took place in a remarkably short period of 50 Myr after the whole-genome duplication event in the teleost ancestor and afterwards, intriguingly, the medaka genome preserved its ancestral karyotype for more than 300 Myr. Source: Nature http://www.nature.com/nature/journal/v447/n7145/abs/nature05846.html Posted by Robert Karl Stonjek

...> not (inheritance of mutational changes), leaving open what kinds of mechanism are at work. In this article, I give examples of how epigenetic phenomena are studied and interpreted, and I propose a revised definition that embodies contemporary usage of the word. Source: Nature http://www.nature.com/nature/journal/v447/n7143/full/nature05913.html A nice review. Thx RKS.

... is not (inheritance of mutational changes), leaving open what kinds of mechanism are at work. In this article, I give examples of how epigenetic phenomena are studied and interpreted, and I propose a revised definition that embodies contemporary usage of the word. Source: Nature http://www.nature.com/nature/journal/v447/n7143/full/nature05913.html Posted by Robert Karl Stonjek