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Biology
Genetics
Variation
Mutations and Phenotype
Mutations and Phenotype
What You Need to Know
State that most genetic mutations have no effect on the phenotype.
State that some mutations have a small effect on the phenotype.
State that rarely, a single mutation will significantly affect the phenotype.
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Practise with Past Papers
Key Terms & Definitions
Previous Subtopic
Genetic Variation in Populations
Next Section: Natural Selection and Genetic Modification
Darwin and Wallace
