I get the few single-mutation-equals-fatal-disease screens, but I think with what little we currently know about most other genes and more complex effects, and

I get the few single-mutation-equals-fatal-disease screens, but I think with what little we currently know about most other genes and more complex effects, and how long it takes to see any outcome of your decisions based on this (and you’ll never be able to know what exactly to attribute to the selection vs. chance or other factors) this might just end up a very expensive pseudoscience/scam for a while. Also I am surprised you can take five cells from an embryo with no effect! I guess at this point that’s probably well-proven through more basic screens.