Would you like a dark-haired girl with a high risk of someday getting colon cancer, but a good chance of above-average music ability?
Or would you prefer a girl with a good prospect for high SAT scores and a good shot at being athletic, but who also is likely to run an above-average risk of bipolar disorder and lupus as an adult?
How about a boy with a good shot at having musical ability and dodging asthma, but who also would be predisposed to cataracts and type 2 diabetes?
Confused? You're just getting started. There are dozens more choices for which of your embryos should be placed in the womb to become your child.
That's the future a biomedical ethics expert envisions for 20 to 40 years from now — soon enough that today's children may face it when they start their own families.