Biology A-Level
Heritable variation
What Heritable variation means in Biology A-Level, as defined for OCR.
Definition of Heritable variation
Check what you remember
Read the wording for your board, then hide it and explain Heritable variation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Variation in the trait that must already exist in the population before selection can act.
Topics that use Heritable variation
- Patterns of inheritance (OCR A-Level)
Related terms
- Allele frequencies
- Alleles, genotypes and phenotypes
- Autosomal linkage
- Change in allele frequency over generations
- Chi-squared (χ²) test
- continuous variation
- critical value
- Crossing over and independent assortment
Using Heritable variation in the exam
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