If a starfish sustains damage to an arm, it often grows a new one, as long as part of the central disc is still attached (known as regeneration). If a gecko loses its tail, it may regenerate a new one. If a person damages their spinal cord, mobility is often impaired. Which type of cell is less likely to go through the cell cycle after being damaged— starfish arm, gecko tail or human spinal cord? Explain in terms of the cell cycle.
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:
If a starfish sustains damage to an arm, it often grows a new one, as long as part of the central disc is still attached (known as regeneration).
If a gecko loses its tail, it may regenerate a new one.
If a person damages their spinal cord, mobility is often impaired.
Which type of cell is less likely to go through the cell cycle after being damaged— starfish arm, gecko tail or human spinal cord? Explain in terms of the cell cycle.
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