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6.2.2 Evolution
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Variation and Natural Selection

Variation and Natural Selection

Different alleles in gametes give offspring different phenotypes, providing genetic variation for natural selection.

Individuals in a population show variation. Some variation is genetic and is caused by individuals having different alleles, which can produce different phenotypes.

6.2.2 Evolution Lesson

  1. GCSE
  2. /Biology
  3. /6.2.2 Evolution

Step-by-step lessons covering AQA GCSE Biology 6.2.2 Evolution for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Start with the foundational topics and build up to the higher-tier material.