What if you could use the DNA of the zygote to run a forward simulation, and then the mother could look at what each of the babies would look like and decide which one she chooses to keep? Choice! /s
Strap on your skis, brother Ich. We’re headed down a slippery slope.
What if the mother chooses the fair-haired all-American boy but then, changes her mind after 6 months? Now, she wants a girl.