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There are hundreds, they don't need to be confidently predicted they just need to increase on average, and even if there weren't, all you need is a PGS for sele

by gwern 7y ago

There are hundreds, they don't need to be confidently predicted they just need to increase on average, and even if there weren't, all you need is a PGS for selection since a small predictive power is enough when iterated repeatedly.

pcrh 7y ago
You can't "iterate repeatedly" in a normal human lifespan.
- gwern 7y ago
  A human isn't an embryo either, what's your point? You can do it every generation, and at some point 'generation' will encompass in vitro operations as well.