Reproductive isolation from a cross between a horse and a donkey or between a mare and a donkey, respectively. These animals are nearly always sterile due to the difference in the number of chromosomes between the two parent species. Both horses and donkeys belong to the genus "Equus", but "Equus caballus" has 64 chromosomes, while "Equus asinus" only has 62. A cross will produce offspring (mule or hinny) with 63 chromosomes, that will not form pairs, which means that they do not divide in a balanced manner during meiosis. In the wild, the horses and donkeys ignore each other and do not
Scipio Africanus Scipio Africanus Publius Cornelius Scipio Africanus (; 236–183 BC), also known as Scipio the African, Scipio Africanus-Major, Scipio Africanus the Elder and Scipio the Great, was a Roman general and later consul who is often regarded as one of the greatest military commanders and strategists of all time. His main achievements were during the Second Punic War where he is best known for defeating Hannibal at the final battle of the Battle of Zama in 202 BC, one of the feats that earned him the agnomen "Africanus". Prior to this battle (near modern Zama, Tunisia) Scipio also conquered Carthaginian Iberia,