Biology A (Salters-Nuffield) A-Level
Linkage
What Linkage means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Linkage
Check what you remember
Read the wording for your board, then hide it and explain Linkage in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Genes close together on the same chromosome tend to be inherited together, reducing independent assortment and producing fewer recombinant gametes.
Topics that use Linkage
- Topic 3: Voice of the Genome (Pearson Edexcel A-Level)
Related terms
- Acrosome
- Acrosome reaction
- Cell cycle and interphase
- Continuous variation and normal distribution
- Cortical reaction
- Differential gene expression
- DNA methylation
- DNA replication and sister chromatids
Using Linkage in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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