Modules ZFN (zinc-finger nuclease) and TALEN (transcription activator-like effector nuclease) Off-target effects In vitro gametogenesis and genome editing Reversibility of genome editing Germline therapy and Embryo Protection Act Efficiency of transport of editing tools Gene therapies and the defence against disease PGD and germline therapy Genome RNA and DNA In-utero gene therapy In-vitro fertilisation The experiment of He Jiankui Genetic engineering methods Genome editing and enhancement Genetic editing of human embryos Genome editing and basic research On-target effects Mosaicism Germline therapy and safety considerations 1 2 Next 15 items