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:
Chromatin is the general packaging of DNA around histone proteins.Chromosomes are an even denser packaging of chromatin.At the beginning of mitosis, a chromosome consists of two sister chromatids.Chromatids are the term used to describe the chromosome in its duplicated state.
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