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
Equus (comics) him and leaving him without an arm. The arm is retrieved for attachment, and Orr sets the Legionnaires on Buddy Blank's tracks. In the 2008 "Cyborg" miniseries, the Titans are forced to fight numerous clones of Equus and the Wildebeest to prevent them from helping Victor Stone battle Mr. Orr's "Cyborg Revenge Squad". Equus is a human being who has undergone extensive genetic engineering, cybernetic enhancements, hormone therapy, and trans-species implantation as part of the One Man Army Corps (OMAC) project, which selected cancer patients as its subjects. Equus was the project's third version (or V3), immediately preceding his successor,