Genetics

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Each cell in your body contains 23 pairs of chromosomes, which carry the genes you inherit from your parents. Genes determine many of your body characteristics including the colour of your hair and eyes. We can also inherit conditions and diseases or a pre-disposition to these conditions.

Our genes are made up from DNA and each cell contains the same genetic material. Genes consist of coiled strands of DNA. The Human Genome Project has mapped all the genes, but the functions of many of them are still unknown.

Facts