Answer:
It attempts something else to reach the same end product.
Plants cell unable to do photosynthesis use the reaction from our cells creating ATP. There are some other examples I'm sure but I can't remember them of the top of my head.
The mechanism is straightforward: in Metaphase one of Meiosis, chromosomes line up in two lines, with homologous across from each other, which allows them to interact by crossing over. In Metaphase of Mitosis, the chromosomes are all lined up single file, so the homologous chromosomes cannot interact.
Do you have multiple choice answers?
