Screening DNA for 'Designer Babies' Probably Won't Work

Screening DNA for 'Designer Babies' Probably Won't Work
AP Photo/Andreea Alexandru

Picking embryos based on genetics might not give prospective parents the “designer baby” they're after.

DNA predictions of height or IQ might help would-be parents select an embryo that would grow into a child who is, at most, only about three centimeters taller or about three IQ points smarter than an average embryo from the couple, researchers report November 21 in Cell.

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