Key term for Edexcel GCSE Biology, used in Evolution.
The specific term used by Edexcel to describe non-coding regions of the genome found in Archaea and Eukaryota but not in Bacteria.
Unused sections of DNA appears in Edexcel GCSE Biology revision content for Natural Selection and Genetic Modification, especially Evolution and Classification.
Create a free account to access Edexcel GCSE Biology revision notes, track progress, and practise related key terms.