http://m.pnas.org/content/104/50/19751.full
https://www.ideapod.com/idea/The-Evidentiary-Proof-Humanity-is-a-Biologically-and-Genetically-Brain-Birth-Defective-Species/58f6a211fe3a59f26568c688
http://www.nytimes.com/2005/12/13/science/children-learn-by-monkey-see-monkey-do-chimps-dont.html?_r=0
Just one example listed is overimitation, how children copies unnecessary steps while chimps did not. The middle post also lists other points for that case.
Duh: Of course we are and so is all other life.
I have heard that if we have any "flaw" it's that we are too successful. Human are more effective than other forms of life and that could be our undoing .