Each cell with a nucleus contains chromosomes, which are made from DNA Human body cells each contain 23 pairs of chromosomes, half of which are from each parent. So, human gametes (eggs and sperm ...

In some organisms, like humans, chromosomes are linear, but in other organisms, like bacteria, chromosomes are typically circular. In prokaryotes, the circular chromosome is contained in the ...

During this stage, one set of chromosomes is pulled to the sides of ... infographics and more biology GCSE revision resources. The other type of cell division is called meiosis.