Chikwata chenyanzvi chinotungamirwa nemasayendisiti kubva kuChina chakaongorora kutevedzana kwemajini emitsara makumi mana nemana kubva kumarudzi emusango nemhando. Vakawana jini rakaita mbatatisi ive chirimwa chikuru chisiri chezviyo munyika. Kubudirira kwakaziviswa Nature magazine.
Ma geneticists akaongorora 732 majini ayo anowanzo kuratidzwa mumachubhu. Mushure mekutevedzana kwekuyedza, nyanzvi dzakakwanisa kuona kuvepo kwechinyorwa chinobvumira mbatatisi kukura machubhu.
Evolution yakaita kuti mbatatisi tuber ive dura rekuchengetera zvinhu. Izvi zvinopa chirimwa mukana wekurarama, uye ndiwo machubhu - anodyiwa uye ane hutano - anodiwa nemunhu.