Biology A-Level
comparing species
What comparing species means in Biology A-Level, as defined for AQA.
Definition of comparing species
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Reference: AQA
Comparing sequences between species measures how closely related organisms are; more similar sequences imply a more recent common ancestor.
Topics that use comparing species
- Using genome projects (A-level only) (AQA A-Level)
Related terms
- genome
- introns and exons
- memory cells
- non-coding DNA
- potential antigens
- regulatory genes
- splicing
- surface proteins
Using comparing species in the exam
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