I think that you could eventually change anything with enough selective breeding.....
This is the whole theory of evolution. 1 monkey prefers another with less hair and so does her daughter and a couple of million years later....ta da.... us idiots..lol
With time and technology I would say absolutley. Anything is possible now a days!
I am by all means a moron and this is just IMHO.<- Waver..lol
My two cents!