Chromosomes

• The nucleus of a cell contains chromosomes made of DNA molecules. Each chromosome carries a large number of genes. In body cells the chromosomes are normally found in pairs.
• The nucleus of a cell contains chromosomes made of DNA
• Each chromosome carries hundreds and thousands of genes
• Different genes contain the code to make different proteins and so control the development of different characteristics
• In body cells, the chromosomes are found in pairs, with one chromosome coming from each parent