AS Assessment Unit BY2: 2.1 All organisms are related through their evolutionary history

(e) Physical features and biochemical methods can be used to assess the relatedness of organisms. DNA 'genetic fingerprinting' and enzyme studies show relatedness without the problem of morphological convergence

A2 Assessment Unit BY5: 5.6 Applications of reproduction and genetics

(d) Genetic fingerprinting of an individual produces a unique pattern of bands of DNA. Gene amplification, PCR. Uses of this technique and associated issues