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Genome, chromosome and gene

Genome, chromosome and gene

Labelled hierarchy from body cell and nucleus to chromosome, DNA molecule, gene and base sequence

The genome is the entire DNA of an organism. It includes every chromosome, every gene and all the non-coding DNA between and around the genes.

3.2.2 Genome and gene definitions Lesson

  1. GCSE
  2. /Biology
  3. /3.2.2 Genome and gene definitions

Step-by-step lessons on Edexcel GCSE Biology 3.2.2 Genome and gene definitions. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons