Edexcel OLevel Biology revision notes

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Lesson

Lesson-3.2.20- understand that mutation is a rare, random change in genetic material that can be inherited.

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Lesson-3.2.19- understand that variation within a species can be genetic, environmental, or a combination of both.Previous Lesson-3.2.21- understand how a change in DNA can affect the phenotype by altering the sequence of amino acids in a protein.Next