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
The Adventures of a Donkey Staples - Jemmy's fifth owner Juba - Donkey who shares Mr Staples' shed with Jemmy and Balaam Earl of Hampton - Jemmy's sixth owner Lady Hampton - Earl of Hampton's wife Lady Harriet - Earl and Lady Hampton's daughter Master Hubert - Lady Harriet's brother Mr Maxwell - Bricklayer; hires Jemmy from Mrs Staples for two months Thomas - Mr Staples' son Cousin Smith - Mr Staples cousin The Sandman - Jemmy's seventh owner Mrs Ellis - Laundress who cares for Jemmy Mr Turner - Jemmy's eighth owner Maria Turner - Mr Turner's eldest daughter Emma Turner - Mr Turner's