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
Hyundai Equus wheelbase, and a different engine. The VI is based on an all-new platform, that has been entirely developed by Hyundai Motor Corporation. Although the car has nothing in common with the previous Equus, the VI takes only the name from old Equus, because the name 'Equus' has prestige in Korea. The Korean domestic market Equus comes as a 3.8L "Prime" and a 4.6L "Prestige" in South Korea. It is the most expensive model in the company's lineup. It launched in the People's Republic of China in August 2009. The Hyundai Equus was listed in the '10 exciting cars for 2010'