What Is Your First Step In Doing A Dihybrid Cross?

What is your first step in doing a dihybrid cross?

 

First you have to establish your parental cross, or P1. Next you need to make a 16 square Punnett Square for your 2 traits you want to cross. The next step is to determine the genotypes of the two parents and assign them letters to represent the alleles. (RY Ry rY ry) this is usually the male and female gametes results. It p1 is RrYy. Just do the instructions.