Biology A-Level
genetic relationships
What genetic relationships means in Biology A-Level, as defined for AQA.
Definition of genetic relationships
Check what you remember
Read the wording for your board, then hide it and explain genetic relationships in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Judged from the number of shared bands, as closely related individuals share more bands.
Topics that use genetic relationships
- Genetic fingerprinting (A-level only) (AQA A-Level)
Related terms
- DNA hybridisation
- gel electrophoresis
- PCR amplification
- preventing inbreeding
- restriction endonucleases and Southern blotting
- variable number tandem repeats
- VNTR amplification
- forensic comparison
Using genetic relationships in the exam
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