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Where does our genome come from?
Your genome is unique. A copy is found in almost every cell in your body and is organised into 46 chromosomes in 23 pairs.
But where does your genome come from? To answer this, we must go back to the point of your conception, when your father’s sperm fused with your mother’s egg.
The sperm and egg are specialised cells called gametes and are unique in comparison to most of the other cells in the body, as they only contain half the usual number of chromosomes. At fertilisation, half of your father’s genome is mixed with half of your mother’s genome to form your complete genome.
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| Contributed by: | Pathology Portal |
| Authored by: |
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| Licence: | More information on licences |
| Last updated: | 21 November 2023 |
| First contributed: | 01 July 2023 |
| Audience access level: | Full user |
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