For each of the events in Mitosis, give the stage in which it occurs: a. The nuclear membrane breaks down during. b. Chromosomes have reached the equator of the cell during c. Centrosomes migrate to the poles of the cell during d. The connection between the sisters breaks during e. Chromatin condenses into visible chromosomes during f. Sister chromatids are pulled away from each other during g. Nuclear membrane reforms during h. The mitotic spindle assembles during 1. Chromosomes move toward the equator of the cell during Spindle fibers grow and attach to chromosomes during j.

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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: