Producing New Cells

Question 1

Why do we produce new cells.

Answer 1

We need new cells when a new organism grows, or if a repair is needed or replacement or damaged a new cell is needed.

Question 2

The process of mitosis.

Answer 2

1. chromosomes double to form 2 identical chromatids.
2. Short coiled up chromosome (made out of 2 chromatids.)
3. chromosome attached at equator called spindle fibre.
4. Pair of identical chromatids separated and moving to opposite ends of the cell.
5. Nuclear membrane cytoplasm divides. Separated chromatids now called chromosomes.
6. Two daughter cells each containing the same number of chromosomes as their parent cell.