Key term for OCR GCSE Biology A, used in Inheritance.
An allele that is only expressed in the phenotype if two copies are present, meaning the dominant allele is completely absent.
Recessive appears in OCR GCSE Biology A revision content for Genes, inheritance and selection, especially Inheritance and Predicting results.
Create a free account to access OCR GCSE Biology A revision notes, track progress, and practise related key terms.
