Prenatal genetic modification of fetuses should be legally allowed according to the author. Modification to prevent disease or remove disorders like ADD/ADHD is considered morally obligatory. Modification to alter personality or physical attributes is also argued to be acceptable if the result is indistinguishable from natural humans aside from superficial traits like hair/eye color. However, others disagree with allowing genetic modification for non-medical reasons due to ethical concerns. The debate considers issues like parental choice, medical necessity, and human enhancement.