Genetic information, variation and relationships between organisms

    AQA
    A-Level

    This topic establishes the fundamental link between molecular biology and organismal diversity. It explores how genetic information is stored in DNA, transcribed and translated into proteins, and how mutations and meiosis generate the genetic variation essential for natural selection. The scope extends to the classification of organisms through taxonomy and phylogeny, analyzing evolutionary relationships, and quantifying biodiversity within ecosystems using statistical methods.

    2
    Objectives
    0
    Exam Tips
    0
    Pitfalls
    5
    Key Terms
    0
    Mark Points

    Learning Objectives

    What you need to know and understand

    • Comparison of DNA in prokaryotic and eukaryotic cells.
    • Gene mutations and the process of meiosis.

    Key Terminology

    Essential terms to know

    Ready to test yourself?

    Practice questions tailored to this topic