OCR b5 growth and development part 2

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  • Created by: Edd
  • Created on: 10-06-12 14:16

Mitosis and meiosis are two ways that cells reproduce.

By mitosis a cell splits to create two identical copies of the original cell.

In meiosis cells split to form new cells with half the usual number of chromosomes, to produce gametes for sexual reproduction.

Mitosis.

Mitosis is a type of cell division. Mitosis occurs wherever more cells are needed. It produces two new cells that are identical to each other, and to the parent cell. The process of growth and division is called the cell cycle.

The cycle starts as the number of organelles - the different parts of the cell - increases. This is to ensure…

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