More on Mukherjee

We’ll have two guest posts today, and the secondĀ comes from Greg Mayer, who’s been AWOL for a while (he’s now in Costa Rica). by Greg Mayer As WEIT readers know, Pulitzer Prize winning author and physician Siddharta Mukherjee has been in the news since he published an article in the New Yorker on “epigenetics”. Surprisingly […]

Development is epigenetic

by Greg Mayer One of the points I stress to students in my evolution class is that development is epigenetic: organisms develop from a less differentiated state to a more differentiated state. In modern terms, genes, the intraembryonic environment, and the extraembryonic environment interact to produce the organism through a sequence of stages going from […]