Mules, the offspring of donkeys and horses, are commonly used as pack animals. Despite the existence of mules, horses and donkeys are considered separate species.
Which discovery would change that thinking and define horses and donkeys as the same species?
Aif mules looked more like donkeys
Bif mules looked more like horses
Cif mules could produce offspring
Dif mules were sterile
Which discovery would change that thinking and define horses and donkeys as the same species?
Aif mules looked more like donkeys
Bif mules looked more like horses
Cif mules could produce offspring
Dif mules were sterile