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:
Which phase of the cell cycle would the cell prepare for division?
Question 13 options:
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G1 |
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G2 |
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S |
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G0 |
Cell cycle is of two types.
Mitosis and meiosis.
In mitosis a cell divides into two cells.
In meiosis a cell divides into four cells.
Mitosis occurs in somatic cells.
Meiosis occurs in gametes.
Cell cycle has the following phases-
G1 S G2 and M.
In G1 phase the cells prepares the process of cell division.
In S phase the cell performs the process of DNA replication.
In G2 phase the cells condenses the genetic material.
G0 phase is a phase in which cell rests until initiated for division.
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