Random mutation

Key term for Edexcel GCSE Biology, used in Evolution.

Definition

A spontaneous, unpredictable change in the DNA sequence of an organism that can create new alleles.

Exam Context

Random mutation appears in Edexcel GCSE Biology revision content for Natural Selection and Genetic Modification, especially Evolution and Resistant Organisms.

Natural Selection and Genetic Modification Evolution Resistant Organisms

Found in Revision Notes

Natural Selection and Genetic Modification

Resistant Organisms

Evolution • Resistant Organisms

Revise note

Related Key Terms

Advantageous allele Allele frequency Antibiotic resistance Binary fission

Revise Biology with GradeGen.AI

Create a free account to access Edexcel GCSE Biology revision notes, track progress, and practise related key terms.