One thing that I know is going to happen is all human beings will be the same. This will be true in richer countries first and then eventually spread to third-world countries when the technology reaches them.
They already have the ability to alter genes to get rid of possible diseases and deformities in a child once its cells start to develop. They're also already talking about making it possible to choose your child's athleticism, intelligence, looks, and really anything along those lines.
One day, every human being is going to be an attractive human being with both reproductive organs, knowing the complete works of Shakespeare by age: 2, and being able to leap tall buildings with a single bound.
When this happens, I want out of the world.