Răspuns:
a) RROO, rroo
b) RO, ro
c) fenotip: 9/16 rosii, rotunde; 3/16 rosii, ovale; 3/16 galbene, rotunde; 1/16 galbene, ovale => 56,25% fenotip dominant; 18,75%×2 f partial dominant; 6,25% f recesiv
genotip: RROO, RRoo, rrOO, rroo, 2×(RROo,RrOo,Rroo,rrOo), 4×RrOo. (Dar aici dai raspunsul in tabel.)