Careful breeding over many years produced different dog breeds. How did humans become humans unless…?
Dog breeds came into existence through artificial selection. Humans came into existence through natural selection. You are comparing apples and oranges. Edit to answer Kendra: I’m not going to waste the time teaching you about the ToE. Suffice to say, you can Google “Bottleneck Evolution” and “Founder Effect”. This alone will show you that the effects you suggest are already accounted for by the ToE.
Actually, natural selection killed most of us. The lucky ones, the apes capable of forward planning were perhaps more likely to survive. There is one time in human history where nearly 40 species of hominids went extinct. We are very lucky to have survived – earth could have killed us off millions of years ago, and it very nearly did (I think one genetic study suggests that humans once dwindled to a small group of only 2,000 people at one point in time). By the way, sexual selection (picking the attractive, most suitable mate) is one kind of positive eugenics that humans actually practice in their own populations, especially after civilization grew and made survival a bit less perilous. I suppose that men would have picked women that were sexually attractive and women would have chosen men who had position or status, to insure a comfortable life for their offspring. With humans’ propensity for violence, I suppose it is possible that we simply killed one another for thousands upon thous
It’s not only ever to do with forced breeding and attention to genetics. I’d once saw something on tv about captive foxes being domesticated…their ears started to turn floppy and they started barking like dogs. That’s not any special breeding. If you look online you might find something about it… Animals are capable of learning, especially intelligent animals like some primates. Humans are perfectly capable to working toward our own modernization that way. Edit: http://www.you tube.com/watch?v=enrLSfxTqZ0 (close space, Yahoo is being stupid about posting the link) So…perhaps the smart humans mated with other smart humans…
