Reproduction, the genome and gene expression - Edexcel Meiosis

This unit covers the differences between sexual and asexual reproduction, the structure of DNA and its role in making proteins, mutations and their effects and how characteristics are inherited.

Part ofCombined ScienceGenetics

Meiosis

There are two types of cell division called and . Mitosis produces identical body cells for growth and repair. Meiosis produces non-identical sex cells, or . These fuse to form a diploid fertilised egg cell during fertilisation.

A diagram illustrating the process of meiosis and how it creates gametes

Meiosis produces sperm and egg cells in animals, and and egg cells in plants.