Germline Editing for Heritable Traits

Modifying sperm, eggs, or embryos locks changes into every future lineage, potentially eliminating Huntington's disease—which affects 1 in 10,000 people—but also opens the door to eugenic selection. A 2023 bioethics review cited a 45% increase in public opposition since 2018, driven by fears about designer babies. The technique remains slower than typical regulatory safeguards, as no country has approved heritable edits for clinical use.