everyone would be swimming, some with the gene for swimming, some with the gene for imitation, and a few with both. But now suppose that another partially imitable behaviour came along, which had a similar, or even greater, competitive advantage – say, flying. Those with the gene for imitation would have a head start: they
This seems to equate to learni g/intelligence (been so long so since last reading; check he hasn't said this already) i.e. The capacity to adapt/transfer knowledge to different contexts or recognise groups ased on similarity or contrast.
