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6.1.4 DNA and the genome
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DNA and chromosomes

DNA and chromosomes

DNA is the polymer that forms the genetic material of a cell. Each DNA molecule consists of two strands twisted around each other to form a double helix.

6.1.4 DNA and the genome Lesson

  1. GCSE
  2. /Biology
  3. /6.1.4 DNA and the genome

Step-by-step lessons on AQA GCSE Biology 6.1.4 DNA and the genome. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons