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Genes, environment and phenotype

Genes, environment and phenotype

Variation means differences in the characteristics of individuals belonging to the same species. Genetic variation is caused by differences in inherited alleles, while environmental variation is caused by conditions experienced during life.

3.4.1 Causes of variation Lesson

  1. GCSE
  2. /Biology
  3. /3.4.1 Causes of variation

Step-by-step lessons on Edexcel GCSE Biology 3.4.1 Causes of variation. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons