Is There a New Extension of the Theory?

In my view, we certainly don't need an extension. And what is, why should we divide it up into little bits? The movementr draws attention to non genetic factors that may influence the ways in which gens are expressed and also affect fitness of individuals. By doing so, they are helping us to pay more attention to environmental factors. I don't think it's fundamentallyw i agree with what rosemarry has said. But it does that the writings of the people who adopt these views help us to remember,. how does the environment feedback on the genetic constitution of individuals as they are growing their performance as either young or adults?