The phrase "inherited abnormality" refers to a condition or trait that is passed down from parents to their children. It means that a person has something unusual or different in their genes that they have received from their family. Full definition
The shortened facial bones of the brachycephalic dog are caused by inherited abnormalities in jaw structure that are passed down from parents to puppies, when a short nosed dog is mated to another short nosed dog. (thehappypuppysite.com)
OFA is the Orthopedic Foundation for Animals, a nonprofit organization that assesses hip and elbow x-rays and thyroid tests to determine if dogs are affected by inherited abnormalities. (canismajor.com)
Breeders must recognise their liability at law in respect of the sale of puppies, which may be found to be suffering inherited abnormalities. (thebullterrierclub.org)