You are performing a dihybrid testcross on an unknown pea plant that has a dominant-looking phenotype of Yellow seed and Inflated pod. There can be two possible outcomes (2 cases) if the unknown plant is ________.
1) YYRR
2) YYRr
3) YYrr
4) YyRR
5) YyRr
6) Yyrr
7) yyRR
8) yyRr
9) yyrr