Hinny to the action of imprinted genes." A male hinny is properly called a "horse hinny", and a female hinny is properly called a "mare hinny", though in British English both female hinnies and female donkeys are sometimes called "jennets". Hinnies are difficult to obtain because of the differences in the number of chromosomes of the horse and the donkey. A donkey has 62 chromosomes, whereas a horse has 64. Hinnies, being hybrids of those two species, have 63 chromosomes and are sterile. The uneven number of chromosomes results in an incomplete reproductive system. According to the ADMS: "The equine hybrid
Peter the Great (horse) white star on his forehead and on the left hind leg a white sock. Peter the Great established the American Standardbred bloodline through the Hambletonian 10 offspring Happy Medium. During his life, Peter the Great covered thousands of mares. His tail-male pedigree was Pilot Medium/Happy Medium/Hambletonian. His tail-female pedigree was Santos by Grand Sentinel/Swallow by Joe Hooker/Dixie by Sam Johnson's horse/Dam by Cumberland. Peter the Great (horse) Peter The Great (1895–1923) was an American Standardbred horse. A descendant of Hambletonian 10, he is considered one of the most important sires in the development of the modern Standardbred breed. Peter the