crossbreed,hybrid,cross- (genetics) an organism that is the offspring of genetically dissimilar parents or stock; especially offspring produced by breeding plants or animals of different varieties or breeds or species; "a mule is a cross between a horse and a donkey" ...
The offspring of the RRYY x rryy cross, which is called the F1 generation, were all heterozygous plants with round, yellow seeds and the genotype RrYy. Next, Mendel crossed two plants from the F1 generation. This step is the dihybrid cross, and it is represented as: RrYy x RrYy ...
To do a dihybrid cross, the first step is to start with two parents who are homozygous for two traits. Each parent gives one allele for each trait. The following diagram illustrates the parents with two sets of homozygous characteristics. So the offspring in the {eq}F_{1} {/eq} generat...
The following are the steps to be followed in order to conduct a dihybrid cross between two individuals; 1. Selection of parents The first step in the dihybrid cross is the selection of characters as well as parents that are to be crossed. The pure lines are obtained by selfing the indi...