Biology A (Salters-Nuffield) A-Level
DNA-specific stain
What DNA-specific stain means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of DNA-specific stain
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Read the wording for your board, then hide it and explain DNA-specific stain in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
A dye such as acetic orcein or Feulgen reagent that makes chromosomes visible by binding to DNA.
Topics that use DNA-specific stain
- 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 DNA-specific stain in the exam
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