Article Correctness Is Author's Responsibility: Simulations suggest embryo selection based on traits like height or IQ is still far off

The recent live births resulting from human embryonic CRISPR editing have heightened global concerns regarding 'designer babies.' Currently, the most practical approach to genetic 'enhancement' is preimplantation genetic screening of IVF embryos. The ability to select for traits that are brought about by multiple genes -- rather than genetic diseases caused by a single mutation -- is more far off and complicated than most people realize.