Assessment criteria 1.3 Q3. (a) Explain the meaning of each of the following terms: (i) Variation (ii) Mutation a. Explain how mutation causes variation. Give examples. b. Explain how meiosis causes genetic variation in the gametes. nited Kingdom) Foc MacBook Pro

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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: