You have a pea plant with round seeds. Can you say for sure what pea-shape alleles the plant carries? What are the two possibilities? You want to distinguish between these possibilities, so you decide...

You have a pea plant with round seeds. Can you say for sure what pea-shape alleles the plant carries? What are the two possibilities? You want to distinguish between these possibilities, so you decide to let the plant self-fertilize. What kind of offspring do you expect in each case?