Question

dihybrid between rounded yellow seed and wrinkled green seeds​

Answer 1

yellow rounded seeds are dominant over wrinkled green seeds therefore in the first generation all plants will be yellow round seeded in the second generation or the self pollination of the F1 generation of the progeny will have 9 yellow round:3 green round : 3 wrinkled yellow :1 wrinkled green. as the law of independent assortment States