5. The story of the horse and the donkey is more complicated than it first ap di
ID: 212952 • Letter: 5
Question
5. The story of the horse and the donkey is more complicated than it first ap discovered that although a male donkey and a female horse can almost a horse and a female donkey rarely produce offspring (C appears. It has been lways produce a mule, a male alled a hinny). Which of the following would e most likely to account for the inability of a male horse and a female donkey to produce an offspring? a. They are not the same phylogenetic species b. Postzygotic hybrid inviability c. Postzygotic hybrid sterility d. Prezygotic temporal isolation e. Postzygotic hybrid breakdownExplanation / Answer
Postzygotic hybrid sterility
Post zygotic hybrid sterility entails that the fertilization among the two takes place successfully, a zygote is formed which is viable but however the the offspring is unable to produce its own offspring i.e. lacks vigour and is sterile.