Loading…
Loading…
GCSE Combined Science · key term
The comparison of genetic material, such as DNA or RNA base sequences, to investigate similarities, differences and relationships between organisms.
Used by Edexcel
Paper 1, Paper 2
Revise: Genetic Analysis and the Three-Domain Classification SystemGenetic analysis therefore adds evidence that cannot be obtained simply by looking at organisms or examining their cells. Classification can be revised when this evidence reveals relationships that were previously hidden.
Link the evidence to the change: genetic analysis revealed important differences between organisms previously grouped together as prokaryotes, supporting their separation into Archaea and Bacteria.
Create a free account to read GCSE Combined Science revision notes for your exam board and track your progress.