Food for thought ping.
If this report reflects reality imagine the effect of Television and computer games on young forming brains. Constant change will produce a brain that is unable to focus upon one thing. No wonder there has been a rise in hyperactivity.
Gays are switch hitters.
Epigentic changes are most probably the key to nearly all adaptation. A lot of stock has been put into natural selection but the problem with it was the lack of a clear mechanism for feedback to fuel the selection engine. There has always been a good deal of evidence for Lamarkian type of inheritability. There has been a lot of evidence that points to the conservation of immunity and not just through transfer of mother’s antibodies through that clearly plays a role. One of the reasons epigentics is not widely discussed is because it muddies the waters of those who like their genes in nice neat packages. The idea of acquired traits through environmental feedback changes everything. It means our behaviors do make a difference in no only our genetic makeup but that of our children.
So Lysenko may have been right after all? Or do we tip our hats to Lamarck but leave Lysenko out of it?
Enless Forms Most Beautiful by Sean Carroll is a fascinating book to read if this subject interests you.