The Test cross is a cross between F1 progeny (that is, F2 generation) and a homozygous recessive parent that is used to determine the genotype (genetic makeup) of a plant whose phenotype (visible expression) is known.
The Test cross is a cross between F1 progeny (that is, F2 generation) and a homozygous recessive parent that is used to determine the genotype (genetic makeup) of a plant whose phenotype (visible expression) is known.