(Sarah of the Clue Crew reports from an AKC dog show with a new puppy friend.)  According to the American Kennel Club, only the offspring of a sire and a dam of the same unmixed breed qualifies as this
Such 
registration of these dogs during the Open Registration period can only be ... 
AKC's primary service provider, PE AgGen, reports parentage results for the 
litters ..... offspring if the AKC breed for the AKC registered sire and/or dam is the 
same as the... [DOC] [TLE] Full text of "The dog book : a popular history of the dog, with practical ... [PAR] Judging a Variety Class at the Ladies' Kennel Association Show at Mineola, L. I., 
....