Indeed not, apparently: https://en.wikipedia.org/wiki/Sheep%E2%80%93goat_hybrid https://en.wikipedia.org/wiki/Sheep%E2%80%93goat_hybrid They're six chromosomes

Indeed not, apparently: https://en.wikipedia.org/wiki/Sheep%E2%80%93goat_hybrid https://en.wikipedia.org/wiki/Sheep%E2%80%93goat_hybrid They're six chromosomes out from each other, to begin with.