What this topic covers
Topic 3: Genetics has 5 subtopics:
- Reproduction
- Variation and evolution
- Cell division
- The development of understanding of genetics and evolution
- Additional inheritance patterns
GCSE Edexcel Higher Biology
Topic 3: Genetics – GCSE Edexcel Higher Biology revision notes
Revise Topic 3: Genetics for GCSE Edexcel Higher Biology, including Reproduction, Variation and evolution, and Cell division. 25 lessons across 5 subtopics.
Reproduction, DNA, inheritance, variation and genetics. 25 lessons in 5 subtopics.
25
Lessons
5
Subtopics
Topic 3: Genetics lessons by subtopic
25 lessons, grouped by subtopic.
Reproduction
- Gametes in Sexual Reproduction
- Sexual vs Asexual Reproduction and Cell Division
- What is Meiosis?
- Fertilisation and Development
- Sexual vs Asexual Reproduction: Types and Advantages
- Reproduction Strategies in Nature
- DNA Structure and the Genome
- Applications of Genome Research
- The Structure of DNA
- From DNA Code to Protein Synthesis
- Genetic Variation and Mutations
- Genetic vocabulary and basic inheritance (Part 1/2)
- Genetic vocabulary and basic inheritance (Part 2/2)
- Genetic crosses and Punnett squares
- Multiple gene inheritance
- Understanding Inherited Disorders
- Ethical Issues in Embryo Screening
- Sex Chromosomes and Genetic Crosses
Variation and evolution
Cell division
The development of understanding of genetics and evolution
Additional inheritance patterns
More in this course
Go back to the full GCSE Edexcel Higher Biology topic list, or practise this topic with past-paper questions.
Frequently asked questions
Is this the right Topic 3: Genetics page for my course?
These notes are for GCSE Edexcel Higher Biology. If you are on a different exam board or tier, choose your course from the Biology page instead, because the content is not always the same.
What should I do after reading the lessons?
Test yourself without the notes open, then try past-paper questions on the same topic. The questions you get wrong tell you which lesson to go back to.