All domestic horses today are descended from a tiny number of stallions (possibly even just 1). So maybe we just haven't gotten lucky yet in finding a super-tam

All domestic horses today are descended from a tiny number of stallions (possibly even just 1). So maybe we just haven't gotten lucky yet in finding a super-tame male zebra from which to breed domesticates. https://www.nature.com/articles/ng1326 https://www.nature.com/articles/ng1326 http://advances.sciencemag.org/content/4/4/eaap9691.full http://advances.sciencemag.org/content/4/4/eaap9691.full