Question: Inkomo nexoxo kunamathambo akheke ngokufanayo emilenzeni yako yangaphambili. Kokubili kunamathambo e-phalanx, i-radius, i-ulna, ne-humerus. Nokho, inkomo nexoxo yizilwane ezinemijikelezo yokuphila ehluke kakhulu omunye komunye. Yikuphi okungase kuchaze ukuthi kungani imizimba yalezi zilwane yakheke ngokufana kangaka?
Options:
Yomibili imizimba yaba nama-mutation afanayo.
Zombili lezi zilwane zivela kukhokho oyedwa.
Yomibili imizimba yalezi zilwane yasabela ngendlela efanayo ezingcindezini zendawo ezungezile.
Zombili lezi zilwane zasakazeka ukusuka esifundeni somhlaba esifanayo.
Answer: B