A LevelBiologyOCR6. Genetics, Evolution & Ecosystems

6. Genetics, Evolution & Ecosystems (OCR A Level Biology)

Get ready for your OCR A Level Biology exams with our revision resources. Find everything you need to revise this topic, so you can go into your exam confident and prepared. Teachers and examiners write all our resources, and they’re designed specifically for each exam board. We regularly update them to match the latest syllabus, so you’ll only revise the most accurate, up-to-date information. Explore the collection below to get started.

Cellular Control

  1. Gene Mutations
  2. Gene Control
  3. Gene Control: Lac Operon
  4. Gene Control: Transcription Factors
  5. Gene Control: Post-Transcriptional Modification
  6. Gene Control: Body Plans
  7. The Importance of Mitosis & Apoptosis

Patterns of Inheritance

  1. Key Terms in Genetics
  2. Variation: Phenotype
  3. Variation: Sexual Reproduction
  4. Predicting Inheritance: Monohybrid Crosses
  5. Predicting Inheritance: Dihybrid Crosses
  6. Predicting Inheritance: Identifying Linkage
  7. Predicting Inheritance: Identifying Epistasis
  8. Predicting Inheritance: Chi-squared Test
  9. Continuous & Discontinuous Variation
  10. Factors Affecting Evolution
  11. The Hardy-Weinberg Principle
  12. Isolation & Speciation
  13. Artificial Selection

Manipulating Genomes

  1. DNA Sequencing
  2. Comparing Genomes
  3. Non-Coding DNA & Regulatory Genes
  4. Synthetic Biology
  5. Polymerase Chain Reaction
  6. Electrophoresis
  7. DNA Profiling
  8. Genetic Engineering
  9. Genetic Engineering Techniques
  10. Uses of Genetic Engineering
  11. Gene Therapy

Cloning & Biotechnology

  1. Natural Clones in Plants
  2. Producing Cuttings
  3. Production of Artificial Clones in Plants
  4. Uses of Plant Cloning
  5. Natural Clones in Animals
  6. Production of Artificial Clones in Animals
  7. Uses of Animal Cloning
  8. Microorganisms & Biotechnology
  9. Microorganisms & Food Production
  10. Culturing Microorganisms
  11. Batch & Continuous Fermentation
  12. Standard Growth Curve of Microorganisms
  13. Factors Affecting the Growth of Microorganisms
  14. Immobilised Enzymes in Biotechnology

Ecosystems

  1. Ecosystems
  2. The Transfer of Biomass
  3. Efficiency of Energy Transfers
  4. The Nitrogen Cycle
  5. The Carbon Cycle
  6. Succession
  7. Testing for Distribution & Abundance

Populations & Sustainability

  1. Carrying Capacity
  2. Interactions Between Populations
  3. Conservation & Preservation
  4. Managing Ecosystems Sustainably
  5. Human Impact on the Environment
  6. Balancing Human Need & Conservation

Cellular Control

  1. Multiple Choice Questions
  2. Structured Questions

Patterns of Inheritance

  1. Multiple Choice Questions
  2. Structured Questions

Manipulating Genomes

  1. Multiple Choice Questions
  2. Structured Questions

Cloning & Biotechnology

  1. Multiple Choice Questions
  2. Structured Questions

Ecosystems

  1. Multiple Choice Questions
  2. Structured Questions

Populations & Sustainability

  1. Multiple Choice Questions
  2. Structured Questions
OCR A Level Biology Past Papers