The Extended Phenotype

We tend to be immune to everything that most of our ancestors haveve encountered. We don't seem to have a mechanism for passing on the particular if the mother's had chicken pox, we don't inherit an unityo chicken pox. The idea of extendid fhino type is often misused and i think we wish ou remind people what a feel pn is. Penotype is that which the genes engineer in a body,. not with a darwinian sense, would help the genes to survive. And my classic examples of this are animal artifats. Are things like birds nests, where the nest, especially a complicated nest that of a weaver bird, obviously