cross_id,trait,phenotype,count
1,flower_color,purple,600
1,flower_color,white,200
2,flower_color,purple,150
2,flower_color,white,150
3,seed_color_and_shape,yellow_round,900
3,seed_color_and_shape,yellow_wrinkled,300
3,seed_color_and_shape,green_round,300
3,seed_color_and_shape,green_wrinkled,100