Embryo selection, but no additional engineering:
Geneticist (Blair Underwood): Keep in mind, this child is still you -- simply the best of you. You could conceive naturally a thousand times and never get such a result ...
According to this discussion, an offer of enhancement didn't make the final cut:
In an outtake to the movie, the geneticist states that for an extra $5,000 he could give the embryo enhanced musical or mathematical skills – essentially splicing in a gene that was not present on the parents’ original DNA.