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Eg sperm - PowerPoint PPT Presentation

MUTATIONS: - A source of variation

MUTATIONS: - A source of variation. A change in the nucleotide base sequence of the DNA or a change in the structure or number of chromosomes. Mutagens. Mutagens cause mutations which are mistakes in the base sequence of the DNA. (If you change the recipe, you change the cake).

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Eg sperm - PowerPoint PPT Presentation

MUTATIONS: - A source of variation