In an experiment on pea plant, pure plants with yellow round seeds (YYRR) were crossed with plants producing green wrinkled seeds (yyrr). What will be the phenotypic ratio of F1 progeny?
(A) 9 yellow round : 3 round green : 3 wrinkled yellow : 1 green wrinkled
(B) All yellow round
(C) 1 round yellow : 1 round green : 1 wrinkled yellow : 1 wrinkled green
(D) All wrinkled green