Biology A-Level
direct DNA investigation
What direct DNA investigation means in Biology A-Level, as defined for AQA.
Definition of direct DNA investigation
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Reference: AQA
Gene technology has caused a change in the methods of investigating genetic diversity, with direct investigation of DNA sequences replacing inference from measurable or observable characteristics.
Topics that use direct DNA investigation
- Investigating diversity (AQA A-Level)
Related terms
- inference from phenotype
- limits of a sample
- relatedness
- amino acid sequences
- mRNA sequences
- polygenic characteristics
Using direct DNA investigation in the exam
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