3 ms·
But it should be that most rare "benefical" mutations have at the same time drawbacks, otherwise they would be probably much more widespread. In this case the d
by Hitton 7y ago
But it should be that most rare "benefical" mutations have at the same time drawbacks, otherwise they would be probably much more widespread. In this case the drawbacks are just not yet known.
- meribold 7y agoMaybe one drawback is deeper sleep which makes it easier for predators to sneak up.
- SuoDuanDao 7y agoOr they used to have a drawback that is no longer relevant. I'm thinking for instance that the world's longest continuous culture considers 'dreamtime' to be more important in some ways than the waking world. It may be that the functions which used to require 8 hours of sleep can be done during waking hours as well, perhaps through greater caloric intake or more articulated mythologizing.