inbred
/ˈɪnbred/Definitions
1. adjective
descended from or bred with closely related individuals, often resulting in genetic defects or abnormalities.
“The royal family has a history of marrying within the family, resulting in some of its members being inbred.”
2. noun
a person or animal that is the result of inbreeding.
“The veterinarian examined the inbred puppy to determine the cause of its health problems.”