An experimental assisted reproduction technique that could allow some families to avoid having children with certain types of heritable disease should be allowed to go forward in the United States, provided it proceeds slowly and cautiously. (sciencemag.org)
One highly heritable disease, Fuchs endothelial corneal dystrophy, causes painful corneal swelling and blurred vision. (sciencedaily.com)
Evolution — the change in heritable traits over successive generations — has long served as one of the central tenets of biology. (casw.org)