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:
How does non homologous end joining work?
Double-stranded DNA breaks are repaired by several mechanisms. These repair pathways join the broken DNA ends to mend it. These pathways include homologous recombination repair and nonhomologous end-joining.
The non-homologous DNA end-joining pathway does not include the homologous sequences of DNA during the process of repair. The pathway becomes activated in the G1 phase of the interphase before the process of DNA replication starts in the S phase.
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