Producing new cells

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   copied      divides      double helix      each parent      gametes      growth      half      identical      meiosis      mitosis      organelles      separate      zygote   
DNA has a structure.

Cell division by produces two new cells to each other and to the parent cell.

The cell cycle includes cell when the numbers of increase and the chromosomes are when the two strands of each DNA molecule separate and new strands form alongside them.

The cell cycle finishes with mitosis during which copies of the chromosomes and then the cell .

Meiosis is a type of cell division that produces .

In , it is important that the cells produced only contain the chromosome number of the parent cell so that fertilisation can restore the correct number.

A is produced when two gametes join. It contains a set of chromosomes from .