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    Biology

    Describe how the sex of offspring is determined at fertilisation, using…

    Pearson EdexcelGCSE

    1BI0

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    Biology

    Calculate and analyse outcomes (using probabilities, ratios and…

    Pearson EdexcelGCSE

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    Biology

    3.17B Describe the inheritance of the ABO blood groups with reference to…

    Pearson EdexcelGCSE

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    Biology

    3.18B Explain how sex-linked genetic disorders are inherited

    Pearson EdexcelGCSE

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    Biology

    State that most phenotypic features are the result of multiple genes…

    Pearson EdexcelGCSE

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    Biology

    Describe the causes of variation that influence phenotype, including: a…

    Pearson EdexcelGCSE

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    Biology

    State that there is usually extensive genetic variation within a…

    Pearson EdexcelGCSE

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    Biology

    State that most genetic mutations have no effect on the phenotype, some…

    Pearson EdexcelGCSE

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    Biology

    Explain the role of meiotic cell division, including the production of…

    Pearson EdexcelGCSE

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    Biology

    Describe DNA as a polymer made up of: a two strands coiled to form a…

    Pearson EdexcelGCSE

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    Biology

    Describe the genome as the entire DNA of an organism and a gene as a…

    Pearson EdexcelGCSE

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    Biology

    Topic 3 – Genetics: 3.6 Explain how DNA can be extracted from fruit

    Pearson EdexcelGCSE

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    Biology

    3.7B Explain how the order of bases in a section of DNA decides the order…

    Pearson EdexcelGCSE

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    Biology

    3.8B Describe the stages of protein synthesis, including transcription and…

    Pearson EdexcelGCSE

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    Biology

    3.9B Describe how genetic variants in the non-coding DNA of a gene can…

    Pearson EdexcelGCSE

    1BI0

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    Psychology

    Topic 3: Biological psychology

    Pearson EdexcelA-Level

    Pearson-A-Level-Psychology

    Biological Psychology explores how our physical bodies—including the brain, neurotransmitters, and hormones—shape our behaviour. This topic is essential because it grounds psychological phenomena like aggression in observable, measurable science, though it raises challenging questions about free will and determinism.

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    Computer Science

    Topic 3: Computers

    Pearson EdexcelGCSE

    Pearson-GCSE-Computer-Science

    Topic 3: Computers covers the fundamental hardware and software architecture that underpins all modern computing. Understanding the von Neumann architecture, the fetch-decode-execute cycle, and the role of the operating system is crucial for securing top marks in your GCSE Computer Science exam.

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    Design and Technology

    Topic 3: Processes and techniques

    Pearson EdexcelA-Level

    Pearson-A-Level-Design-and-Technology

    This comprehensive topic guide covers the essential performance characteristics and categories of materials required for GCSE Design and Technology. Mastering these concepts will enable you to confidently discriminate between materials and justify their selection for specific products in both your coursework and the final exam.

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    Chemistry

    Topic 3: Redox I

    Pearson EdexcelA-Level

    Pearson-A-Level-Chemistry

    Master the fundamentals of electron transfer with this comprehensive guide to Redox Reactions. You'll learn how to assign oxidation numbers, identify oxidising and reducing agents, and construct perfectly balanced ionic half-equations to secure top marks in your GCSE Chemistry exam.

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    Biology

    Topic 4 – Natural selection and genetic modification

    Pearson EdexcelGCSE

    Pearson-GCSE-Biology

    Master the mechanisms of evolution and the cutting-edge science of genetic engineering. This topic is heavily tested, particularly on the step-by-step processes of natural selection and the specific enzymes used in genetic modification.

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    Biology

    Describe genetic engineering as a process which involves modifying the…

    Pearson EdexcelGCSE

    1BI0

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    Biology

    Describe the main stages of genetic engineering including the use of: a…

    Pearson EdexcelGCSE

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    Biology

    4.1B Describe the work of Charles Darwin and Alfred Wallace in the…

    Pearson EdexcelGCSE

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    Biology

    Describe the evidence for human evolution, based on fossils, including: a…

    Pearson EdexcelGCSE

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    Biology

    Describe the evidence for human evolution based on stone tools, including:…

    Pearson EdexcelGCSE

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    Biology

    4.6B Describe how the anatomy of the pentadactyl limb provides scientists…

    Pearson EdexcelGCSE

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    Biology

    Describe how genetic analysis has led to the suggestion of the three…

    Pearson EdexcelGCSE

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    Biology

    Explain selective breeding and its impact on food plants and domesticated…

    Pearson EdexcelGCSE

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    Biology

    4.9B Describe the process of tissue culture and its advantages in medical…

    Pearson EdexcelGCSE

    1BI0

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    Physics

    Recall that waves transfer energy and information without transferring…

    Pearson EdexcelGCSE

    1PH0

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