Key term for OCR GCSE Biology A, used in Inheritance.
A genetic cross performed with a homozygous recessive individual to determine whether an organism with a dominant phenotype is homozygous or heterozygous.
Test cross appears in OCR GCSE Biology A revision content for Genes, inheritance and selection, especially Inheritance and Single gene inheritance.
Create a free account to access OCR GCSE Biology A revision notes, track progress, and practise related key terms.
