According to the law of dominance, the dominant character expresses itself in hetrozygous conditon. Hence, R_ will become round and Y_ will become yellow. Homozygous recessive rr and yy will code for wrinkled and green respectively. Therfore, RrYY- round and yellow Rryy- round and green rrYy- wrinkled and yellow rryy- wrinkled and green.