Oogenesis
The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase.
Cell Division
Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:
During which phase of mitosis will the chromosomes line up in the middle of the cell?

The indirect process of cell division by which the somatic parent cell divides once to produce two daughter cells which are identical in shape and contain equal number of chromosomes is the parent cell is called mitosis. (2n ---> 2n).
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