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Cell division that produces sex cells


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This is a source of genetic variation through random assortment, as the paternal and maternal chromosomes in a homologous pair are similar but not identical. Female sex cells, called ova or eggs, are non-motile and much larger in comparison to the male gamete. The ovary contains many follicles composed of a developing egg surrounded by an outer layer of follicle cells. If the sperm cell contains a Cell division that produces sex cells chromosome, then the resulting zygote will be XY or male. Hundreds of millions of sperm must be released in order for fertilization to take place. Outside of the nucleus are two centrosomes, each containing a pair of centrioles, these structures are critical for the process of cell division.
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