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Variation, genes and alleles

Variation, genes and alleles

Genetic variation means that individuals within a population have differences in their DNA. A population may contain several alleles of the same gene, producing differences in genotype and sometimes phenotype.

3.4.3 Genetic variation within a population Lesson

  1. GCSE
  2. /Biology
  3. /3.4.3 Genetic variation within a population

Step-by-step lessons on Edexcel GCSE Biology 3.4.3 Genetic variation within a population. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons