Reciprocal Cross

Mating of two individuals that are true-breeding (homozygous) for different genotype*s of a trait of interest. An individual that is true-breeding for a particular trait passes the same allele* for that trait to all of its offspring. 

Because true-breeding individuals always pass the same allele on to their offspring, breeding two, true breeding individuals will produce offspring that all have the same heterozygous genotype.