To the extent that epigenetics casts doubt on simplistic Darwinian or other schemes of evolution, its main role may be that of “spoiler.”
Anything HGT does, Darwinian evolution did not do.
Kangaroos are marsupial mammals, not placentals. Yet their genes are close to humans.
University of Chicago biochemist James Shapiro, not a design theorist, offers four kinds of rapid, evolutionary change that Darwin “could not have imagined.”
A while back, I started a series here called “Science Fictions” that I began by asking a simple question.