You need to give context to this question..... or a picture.....
Answer:
DNA checking
2.after few days it's growth rate was so great
It is formed at Divergent boundaries, two tectonic plates diverge from one another. New oceanic crust is being formed by hot molten rock slowly cooling and solidifying. The crust is very thin.
That is binary fission, 'cause in this process, chromosome number doubles to it's original value whereas in meiosis it gets halved.
In short, Your Answer would be Option D
Hope this helps!
You may be referring to the nucleus. The nucleus controls the cell, and it contains chromosomes (DNA) genetic makeup. Hope I could help|!