During mitosis the four centrioles appear visibly and move to the ends of the nucleus one pair at each end<span> then they produce a series of threads that attach to the chromosomes During cell division the threads split the chromosomes and drew them towards the centrioles</span>
Although now it causes more harm than good because it doesn't really have a purpose, it is believed it once was used for humans to digest bone.
There is 20 chromosomes in a adult wild mouse
Answer:
to get the heat of the planet
Explanation:
