And if there is any gene the causes babies to cry when they are in an exposed situation, preventing it from being snatched by a predator or bit by a nasty bug,

And if there is any gene the causes babies to cry when they are in an exposed situation, preventing it from being snatched by a predator or bit by a nasty bug, it too would propagate. Not sure if you were making a prediction though. Tightly wrapped, physically sensing a guarding presence. Who wouldn't sleep well.