21.
During which phase or phase of cell division, the morphology of the chromosomes is best studied?

22.
Metaphase is followed by the next phase of mitosis called

23.
It is a process which converts a single-celled zygote into a great number of cells, which then differentiate into tissues.

24.
Which division is responsible for the continuity of hereditary information?

25.
The type of division which occurs in somatic cells is known as