Answer:
1. Write out your key in terms of what is dominant and what is recessive.
2. Determine the genotypes of each parent and write the cross.
3. Figure out what kind of gametes each parent may produce.
4. Set up a Punnett square for your making.
Step-by-step explanation:
A dihybrid cross must be a 4 x 4 square which two variables for each square.